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Skin Conditions

DermNet features a database of thousands of pages covering almost every known skin condition. You'll find these below along with pages on treatments, histopathology and general topics such as what is a dermatologist?

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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A


ABCDEFG of melanoma About melanoma: for patients Abrocitinib Abscess Acanthoma fissuratum Acanthosis nigricans ACE inhibitor-induced angioedema Achenbach syndrome Achromic naevus Aciclovir Acitretin Acne Acne agminata Acne and other follicular disorders Acne due to medicines Acne excorie Acne fulminans Acne in children Acne in pregnancy Acne scars Acne treatment Acne urticata Acne vulgaris A comparison of polarised and nonpolarised dermoscopy Acquired blaschkoid dermatitis Acquired dermal macular hyperpigmentation Acquired dermal macular hyperpigmentation images Acquired elastotic haemangioma pathology Acquired hypertrichosis lanuginosa Acquired keratoderma Acquired lymphangiectasia Acral lentiginous melanoma Acral lentiginous melanoma dermoscopy Acral persistent papular mucinosis Acrocyanosis Acrodermatitis chronica atrophicans Acrodermatitis continua of Hallopeau Acrodermatitis enteropathica Acrodermatitis enteropathica-like conditions Acrodynia Acrokeratoelastoidosis Acrokeratosis neoplastica Acrokeratosis verruciformis of Hopf Acromegaly Acropustulosis of infancy Actinic cheilitis Actinic granuloma Actinic granuloma pathology Actinic keratosis Actinic keratosis affecting the face images Actinic keratosis affecting the hand images Actinic keratosis affecting the legs and feet images Actinic keratosis affecting the scalp images Actinic keratosis dermoscopy Actinic keratosis dermoscopy images Actinic keratosis on the nose images Actinic keratosis treated with imiquimod images Actinic prurigo Actinomycosis Acupuncture and its role in treating skin disease Acute febrile neutrophilic dermatosis Acute generalised exanthematous pustulosis Acute generalised exanthematous pustulosis pathology Acute haemorrhagic oedema of infancy Acute hair matting Acute hepatic porphyrias Acute human immunodeficiency virus infection syndrome Acute localised exanthematous pustulosis Acute urticaria Adalimumab for psoriasis Adalimumab images Adams–Oliver syndrome Addison disease Adenoid cystic carcinoma pathology Adjuvant therapies for melanoma Adnexal tumour Adult-onset dermatomyositis Adult-onset Still disease Adult acne Adverse cutaneous reactions to drugs Adverse cutaneous reactions to psychotropic drugs Adverse cutaneous reactions to vaccines Aeroallergens and the skin Aerobic vaginitis Aeromonas skin infection Afamelanotide African trypanosomiasis Aggressive digital papillary adenocarcinoma pathology Ainhum Airborne contact dermatitis Albinism Alefacept Alexandrite laser treatment Alezzandrini syndrome Alitretinoin Alkaptonuria and ochronosis Allergic conjunctivitis Allergic contact cheilitis Allergic contact dermatitis Allergic contact dermatitis in children Allergic contact dermatitis to essential oils Allergic contact dermatitis to isocyanate Allergies explained Allergy to acrylates Allergy to ammonium persulfate Allergy to avobenzone Allergy to bacitracin Allergy to bemotrizinol Allergy to benzocaine Allergy to benzophenone Allergy to bisoctrizole Allergy to cinnamate Allergy to clioquinol Allergy to cobalt Allergy to diethylthiourea Allergy to dimethyl fumarate Allergy to ecamsule Allergy to ensulizole Allergy to epoxy resin Allergy to ethylenediamine Allergy to glyceryl monothioglycolate Allergy to imidazolidinyl urea Allergy to iodopropynyl butylcarbamate Allergy to methyldibromoglutaronitrile Allergy to neomycin Allergy to PABA Allergy to para-tertiary butylphenol formaldehyde resin Allergy to parabens Allergy to paraphenylenediamine Allergy to quaternium-15 Allergy to rubber accelerators Allergy to topical corticosteroid Allergy to topical medication Allergy to topical salicylate Aloe vera and the skin Alopecia areata Alopecia areata in children Alopecia from drugs Alopecia mucinosa Alpha-1-antitrypsin deficiency panniculitis Alpha-1-antitrypsin deficiency panniculitis pathology Alpha hydroxy acid facial treatments Amalgam tattoo Amelanotic melanoma Amelanotic melanoma dermoscopy American trypanosomiasis Amoebiasis Amputation stump dermatoses Amyloidosis Amyloidosis cutis dyschromica Anagen effluvium Anakinra Anal cancer and anal canal cancer Anal cancer images Anaphylaxis Anetoderma Angelman syndrome Angina bullosa haemorrhagica Angioedema Angiofibroma Angiofibroma pathology Angiofibromas images Angioimmunoblastic T-cell lymphoma Angiokeratoma images Angiokeratoma pathology Angiokeratomas Angioleiomyoma pathology Angiolipoma Angiolipoma pathology Angiolymphoid hyperplasia with eosinophilia Angiolymphoid hyperplasia with eosinophilia pathology Angioma serpiginosum Angiomatoid fibrous histiocytoma pathology Angiomyofibroblastoma pathology Angiomyxoma Angiosarcoma Angular cheilitis Angulated lines dermoscopy Animal-type melanoma Animal bite Annular elastolytic giant cell granuloma pathology Annular erythema Annular erythema images Annular granular pattern dermoscopy Annular lichenoid dermatitis of youth Anogenital granulomatosis Anogenital lichen sclerosus in skin of colour images Anogenital squamous cell carcinoma Anogenital wart Ant bites and stings Anthrax Anti-androgen therapy Antibacterial soap Antibiotics Antibiotics for acne Anticholinergic medication Anticoagulants and antiplatelet agents Antifungal drug resistance Antihistamines Antimalarial medications in dermatology Antimicrobial peptides Antioxidant photoprotective agents Antiperspirant Antiphospholipid syndrome Antiseptics Antisynthetase syndrome Aphthous ulcers Aplasia cutis congenita Apocrine chromhidrosis Apocrine hidrocystoma pathology Apocrine mixed tumour pathology Appendageal tumours Apremilast Aquagenic pruritus Aquagenic urticaria Aquagenic wrinkling of the palms Argon laser treatment Argyria Arnica Arterial ulcer Arthropod bites and stings Arthropods, helminths and other bugs Artichoke Artificial intelligence in dermatology Ascher syndrome Asparagus Aspergillosis Aspergillosis pathology Asteatotic eczema Asymmetrical pigmented follicular openings dermoscopy Ataxia-telangiectasia Athlete's foot Atopic dermatitis Atopic flexural eczema images Atopic hand dermatitis Atopy Atopy patch test Atrophic vulvovaginitis Atrophie blanche Atrophoderma of Pasini and Pierini Atypical fibroxanthoma Atypical melanocytic naevus Atypical melanocytic naevus images Atypical mycobacterial infection Atypical mycobacterial infection images Atypical solar lentigo Auricle pseudocyst pathology Auriculotemporal syndrome Australian box jellyfish stings Autoimmune diseases in dermatology Autoimmune polyglandular syndrome type 1 Autoimmune polyglandular syndrome type 2 Autoimmune progesterone dermatitis Autoinflammatory syndromes Autologous serum skin testing Autologous stem cell transplantation Autonomic denervation dermatitis Azathioprine and mercaptopurine Azelaic acid

B


Babesiosis Bacillary angiomatosis Bacillary angiomatosis pathology Bacteria in acne Bacterial biofilm Bacterial conjunctivitis Bacterial folliculitis Bacterial skin infections Bacterial vaginosis Balamuthia mandrillaris infection Balamuthia mandrillaris pathology Balanitis Balanitis images Balneotherapy Balsam of Peru allergy Baricitinib Barrier cream Barrier function in atopic dermatitis Basal cell carcinoma Basal cell carcinoma affecting arms and legs images Basal cell carcinoma affecting the ear images Basal cell carcinoma affecting the eyelid images Basal cell carcinoma affecting the face images Basal cell carcinoma affecting the nose images Basal cell carcinoma affecting the trunk images Basal cell carcinoma dermoscopy Basal cell carcinoma in skin of colour Basal cell carcinoma pathology Basal cell naevus syndrome Basaloid follicular hamartoma Baseline series of patch test allergens Basosquamous carcinoma Bathwater PUVA Bazex-Dupré-Christol syndrome Becker naevus Bed bugs Bee and wasp stings Behcet disease Benign familial pemphigus Benign lymphoplasmacytic plaque Benzalkonium chloride contact dermatitis Benzoyl peroxide Berdazimer Beta-blockers Bexarotene Bimatoprost Bimekizumab Bindii dermatitis Bioengineered skin Biological agents for psoriasis Biological treatments Biologics and novel small molecule treatments, reproduction and psoriasis Biopsy of skin Biotin responsive dermatoses Bird mite infestation Birt-Hogg-Dubé syndrome Black henna tattoo reaction Blackwood Blaschko lines Blastomycosis Blastomycosis-like pyoderma pathology Bleach baths in patients with skin infections Bleaching agents Bleeding and bruising Bleomycin and the skin Blepharitis Blister agent toxicity Blistering skin conditions Blisters and pustules in neonates Blood-based melanoma detection Bloom syndrome Blueberry muffin syndrome Blue light acne treatment Blue naevus Blue naevus dermoscopy Blue naevus images Blue naevus pathology Blue toe syndrome Blushing Body lice Body piercing Boil Books about the skin Botryomycosis Botryomycosis pathology Botulinum toxin Bowel bypass syndrome Bowenoid papulosis Bowenoid papulosis images Brachioradial pruritus Branchial cleft cyst pathology Brimonidine Brodalumab Bromhidrosis Bronchogenic cyst pathology Brooke-Spiegler syndrome Brown spots and freckles Brucellosis Brunsting-Perry cicatricial pemphigoid Brunsting-Perry cicatricial pemphigoid pathology Bullous drug eruptions Bullous pemphigoid Bullous pemphigoid images Bullous pemphigoid pathology Bullous systemic lupus erythematosus Burning mouth syndrome Buruli ulcer Buschke–Ollendorff syndrome

C


Café-au-lait macule Calcaneal petechiae Calcifying aponeurotic fibroma pathology Calcineurin inhibitor Calcinosis cutis Calcinosis cutis pathology Calciphylaxis Calciphylaxis pathology Calcipotriol Calcipotriol/betamethasone dipropionate foam Calcipotriol/betamethasone dipropionate ointment and gel Cancer of the mouth Candida Candida affecting the lips, mouth and face images Candida intertrigo images Candidal intertrigo Candida vulvovaginitis images Candidiasis pathology Cannabinoids in dermatology Cantharidin Capillaritis Capillaritis images Capillary vascular malformations Capsaicin cream Carbon dioxide laser treatment Carbon monoxide poisoning Carcinoid pathology Carcinoid syndrome Carcinoma cuniculatum Carcinoma erysipeloides Carcinoma erysipeloides pathology Carcinoma in situ of oral cavity Carotenoderma Carrion disease Cashew nut Catscratch disease Causes of atopic dermatitis Celery Cellulite Cellulitis Cellulitis mimics Cemiplimab Central centrifugal cicatricial alopecia Chamomile Chancroid Chediak-Higashi syndrome Cheilitis Chemical burns Chemical peels Cherry angioma Cherry angioma images Cherry angioma pathology Chickenpox Chickenpox images Chickenpox pathology Chikungunya fever Chilblain lupus erythematosus Chilblains Childhood bullous pemphigoid Childhood melanoma Childhood melanoma pathology Chives Chloracne Chloroquine Cholesterol emboli Cholesterol emboli pathology Cholinergic urticaria Chondrodermatitis nodularis Chondrodermatitis nodularis pathology Choristoma Chrome allergy Chromhidrosis Chromoblastomycosis Chromoblastomycosis pathology Chronic actinic dermatitis Chronic arsenic poisoning Chronic granulomatous disease Chronic inducible urticaria Chronic mucocutaneous candidiasis Chronic plaque psoriasis Chronic pruritus of unknown origin Chronic spontaneous urticaria Chronic superficial scaly dermatitis Chronic ulcerative stomatitis Chronic urticaria Chrysanthemum Chrysiasis Churg-Strauss syndrome pathology Ciclosporin Cidofovir CIP-isotretinoin Circumscribed palmar hypokeratosis Citron Clascoterone Cleansers Clear cell acanthoma Clear cell fibrous papule pathology Clear cell mesenchymal neoplasm pathology Clindamycin Clinical images supplied to DermNet Clofazimine CLOVES syndrome Coagulase negative staphylococci Coal tar treatment Cobb syndrome Cobimetinib Coccidioidomycosis Coccidioidomycosis pathology Cockayne syndrome Coconut diethanolamide allergy Coining Colchicine Cold urticaria Collagen Collagen replacement therapy Collodion baby Colloid milium Colloid milium pathology Combined cellular blue naevus and trichoepithelioma pathology Comedo Comedo naevus Comedonal acne Comedonal cyst pathology Common benign skin lesions Common terminology criteria for adverse events due to cancer therapy Common variable immunodeficiency Complement deficiencies Complications of atopic dermatitis Compositae allergy Compression therapy Compulsive hand washing Compulsive skin picking Compulsive skin picking images Computer mouse dermatitis Concentric circles dermoscopy Conditions affecting the ear images Conditions affecting the tongue Condyloma acuminatum pathology Confluent and reticulated papillomatosis Congenital adrenal hyperplasia Congenital cartilaginous rests of the neck Congenital erythropoietic porphyria Congenital malalignment of the great toenails Congenital melanocytic naevus Congenital melanocytic naevus pathology Congenital naevi Conjunctivitis Conjunctivitis pathology Connective tissue diseases Connective tissue naevus Consort allergic contact dermatitis Contact allergens Contact allergic dermatitis of the arm and leg images Contact allergic dermatitis of the face images Contact allergic dermatitis of the hand images Contact allergic dermatitis of the torso images Contact allergy to benzisothiazolinone Contact allergy to bufexamac Contact allergy to cocamidopropyl betaine Contact allergy to gold Contact allergy to hydroperoxides of limonene and linalool Contact allergy to lauryl glucoside Contact allergy to octyl glucoside Contact allergy to octylisothiazolinone Contact allergy to preservatives Contact allergy to propolis Contact allergy to propylene glycol Contact allergy to shellac Contact allergy to sodium metabisulphite Contact cheilitis and other reactions involving the lips of musicians Contact dermatitis Contact dermatitis to nitrile Contact irritant dermatitis images Contact leukoderma Contact reactions to cosmetics Contact reactions to lanolin Contact reactions to lipsticks and other lipcare products Contact reactions to toothpaste and other oral hygiene products Contact stomatitis Contact urticaria Convolutional neural networks in dermatology Copper bromide laser Corn and callus Cornelia de Lange syndrome Corn images Cosmetic camouflage Costello syndrome COVID-19 COVID-19 immunisation and immunomodulators/biologic agents Cowden syndrome Cow parsnip Cowpox Cracked heel Cradle cap Crisaborole Crohn skin disease Cronkhite–Canada syndrome Crouzon syndrome Crusted scabies Crusted scabies pathology Cryoglobulinaemia Cryopyrin-associated periodic syndromes Cryotherapy Cryptococcosis Cryptococcosis pathology Cupping Curettage and cautery Cushing syndrome Cutaneous adenoid cystic carcinoma Cutaneous adverse effects of alcohol Cutaneous adverse effects of anticonvulsant drugs Cutaneous adverse effects of antimelanoma therapies Cutaneous adverse effects of checkpoint inhibitors Cutaneous adverse effects of targeted anticancer therapies Cutaneous adverse reactions to antibiotics Cutaneous adverse reactions to calcineurin inhibitors Cutaneous B-cell lymphoma Cutaneous ciliated cyst pathology Cutaneous cysts and pseudocysts Cutaneous diphtheria Cutaneous dysaesthesia Cutaneous effects of drugs of abuse Cutaneous endometriosis Cutaneous horn Cutaneous horn images Cutaneous larva migrans Cutaneous larva migrans pathology Cutaneous lupus erythematosus Cutaneous lupus erythematosus images Cutaneous lymphadenoma disease pathology Cutaneous manifestations of inflammatory bowel disease Cutaneous marginal zone lymphoma Cutaneous markers of internal malignancy Cutaneous metastasis Cutaneous mosaicism Cutaneous myeloid sarcoma Cutaneous myiasis Cutaneous plasmacytoma pathology Cutaneous plasmacytosis pathology Cutaneous polyarteritis nodosa Cutaneous pseudolymphoma Cutaneous side effects of EGFR and protein kinase inhibitors Cutaneous small vessel vasculitis Cutaneous small–medium pleomorphic T-cell lymphoma pathology Cutaneous squamous cell carcinoma Cutaneous squamous cell carcinoma in skin of colour Cutaneous T-cell lymphoma Cutaneous T-cell lymphoma images Cutaneous toxicity from fish ingestion Cutaneous tuberculosis Cutaneous tuberculosis images Cutaneous tuberculosis pathology Cutaneous vasculitis Cutis laxa Cutis laxa pathology Cutis marmorata Cutis marmorata telangiectatica congenita Cutis verticis gyrata Cyclic vulvovaginitis Cyclophosphamide Cylindroma pathology Cysteamine cream Cytogenetic testing Cytolytic vaginosis Cytomegalovirus infection pathology Cytophagic histiocytic panniculitis

D


3D bioprinting Dabrafenib Dactylitis Daffodil Dandelion Dapsone Darier-Roussy subcutaneous sarcoidosis Darier disease Darier disease pathology Dark circles under the eyes Deep skin disorders Defects of the hair shaft Deficiency of the interleukin-1 receptor antagonist Delayed pressure urticaria Delusions of parasitosis Demodex Demodicosis pathology Dengue and dengue haemorrhagic fever Dental sinus Denture stomatitis Deoxycholic acid in the treatment of submental fat Depigmentation therapy for vitiligo Dercum disease Dermabrasion Dermal fillers and augmentation procedures Dermatitis Dermatitis artefacta Dermatitis herpetiformis Dermatitis herpetiformis pathology Dermatitis neglecta Dermatofibroma Dermatofibroma images Dermatofibroma pathology Dermatofibrosarcoma protuberans Dermatofibrosarcoma protuberans pathology Dermatological conditions in skin of colour Dermatological investigations and tests Dermatological manifestations of Down syndrome Dermatology, COVID-19 Infection, and SARS-CoV-2 Vaccinations: Selected 2021 Reference List Dermatology conferences Dermatology patients and COVID-19 Dermatology practice guidelines Dermatomes Dermatomyofibroma pathology Dermatomyositis images Dermatopathological terminology Dermatopathology Dermatopathology index Dermatophytide reactions Dermatoscope comparative image gallery Dermatosis papulosa nigra Dermographism Dermographism images Dermoid cyst Dermoid cyst pathology Dermoscopy Dermoscopy index Dermoscopy of achromic naevus Dermoscopy of leprosy Dermoscopy of lichen sclerosus Dermoscopy of pityriasis versicolor Dermoscopy of vitiligo Desmoid tumours Desmoplastic fibroblastoma pathology Desmoplastic melanoma Desmoplastic melanoma images Desmoplastic trichoepithelioma Desquamative vaginitis Deucravacitinib Diabetic foot ulcer Diagnosis of scalp rashes Diclofenac gel for actinic keratoses Differential diagnosis of leg ulcer Differential diagnosis of vulval ulcers Diffuse alopecia Diffuse dermal angiomatosis of the breast Diffuse hereditary palmoplantar keratodermas Diffuse melanosis cutis DiGeorge syndrome Digital cameras in dermatology Digital myxoid cyst images Digital myxoid pseudocyst Digital myxoid pseudocyst pathology Dihydroxyacetone Dilated pore of Winer pathology Diphenylcyclopropenone Direct immunofluorescence Discoid eczema Discoid lupus erythematosus Discoid lupus erythematosus pathology Disorders of sweating and sweat Disseminate and recurrent infundibulofolliculitis Disseminated intravascular coagulation Disseminated secondary eczema Disseminated superficial actinic porokeratosis Dithranol Dogtooth violet Dowling-Degos disease Dowling-Degos disease pathology Dracunculiasis Drug-induced dermatomyositis Drug-induced hyperhidrosis Drug-induced immunosuppression Drug-induced lupus erythematosus Drug-induced nail disease Drug-induced nummular dermatitis Drug-induced pemphigus Drug-induced photosensitivity Drug-induced pigmentation Drug-induced pruritus Drug-induced psoriasis Drug-induced urticaria Drug-induced vitiligo Drug eruptions Drug hypersensitivity syndrome Drugs reported to cause erythroderma Dry gangrene Dry skin Dry skin images Dupilumab Dupuytren contracture Dyshidrotic eczema Dyskeratosis congenita Dysmorphophobia Dystrophic epidermolysis bullosa

E


Ear skin problems EASI score Eccrine carcinoma pathology Eccrine chromhidrosis Eccrine hidrocystoma pathology Eccrine mixed tumour pathology Eccrine papillary adenoma pathology Eccrine porocarcinoma Eccrine poroma images Eccrine spiradenocarcinoma pathology Eccrine spiradenoma pathology Ecthyma Ecthyma gangrenosum Ecthyma images Ectodermal dysplasia Eczema, dermatitis and allergies Eczema coxsackium Eczema herpeticum Eczema herpeticum images Eczema pathology Eczematous cheilitis Efalizumab Eflornithine hydrochloride Ehlers-Danlos syndrome Ehlers-Danlos syndrome images Ehrlichiosis and anaplasmosis Elastofibroma pathology Elastosis Elastosis perforans serpiginosa Elastosis perforans serpiginosa pathology Electrical burn Electrical impedance spectroscopy for melanoma diagnosis Electrochemotherapy Electrolysis Electron beam radiation for cutaneous lymphoma Electrosurgery Elephantiasis nostras verrucosa Emollients and moisturisers Endocrine mucin–producing sweat gland carcinoma pathology English ivy Enlarged pores Enteroviral infections E numbers Eosinophilic cellulitis Eosinophilic dermatosis of haematological malignancy Eosinophilic fasciitis Eosinophilic fasciitis pathology Eosinophilic folliculitis Eosinophilic granulomatosis with polyangiitis Eosinophilic pustular folliculitis pathology Eosinophilic ulcer of the oral mucosa Ephelis Epidermal naevus Epidermal naevus pathology Epidermal naevus syndromes Epidermodysplasia verruciformis Epidermodysplasia verruciformis pathology Epidermoid and trichilemmal cyst images Epidermoid cyst Epidermoid cyst pathology Epidermolysis bullosa Epidermolysis bullosa acquisita Epidermolysis bullosa pruriginosa Epidermolysis bullosa simplex Epidermolysis bullosa with congenital absence of skin Epidermolytic hyperkeratosis pathology Epidermolytic ichthyosis Epilation Epithelial sheath neuroma Epithelioid haemangioma pathology Epithelioid histiocytoma pathology Epstein-Barr virus Epstein–Barr virus-associated lymphoproliferative disorders Epulis Er:YAG laser treatment Erosions and ulcers Erosive lichen planus Erosive papillomatosis of the nipple pathology Erosive pustular dermatosis Eruptive vellus hair cysts Eruptive xanthoma pathology Erysipelas Erysipelas pathology Erysipeloid Erythema ab igne Erythema annulare centrifugum Erythema annulare centrifugum pathology Erythema dyschromicum perstans Erythema elevatum diutinum Erythema elevatum diutinum pathology Erythema gyratum repens Erythema gyratum repens pathology Erythema infectiosum Erythema infectiosum images Erythema migrans images Erythema multiforme Erythema multiforme: histology and mechanisms Erythema multiforme images Erythema nodosum Erythema nodosum images Erythema nodosum pathology Erythema palmare hereditarium Erythrasma Erythrasma images Erythrasma pathology Erythroderma Erythroderma images Erythrodermic psoriasis Erythrokeratoderma Erythromelalgia Erythromycin Erythropoeitic protoporphyria Erythropoietic protoporphyria pathology Escharotic agents Etanercept for psoriasis Ethnic dermatology Exanthems Excessive hair Excimer 308-nm light treatment Excision biopsy of skin lesions Exercise-induced anaphylaxis Exercise-induced vasculitis Exfoliative cheilitis Exfoliative keratolysis Extracorporeal photopheresis Extragenital lichen sclerosus images Extramammary Paget disease Extramammary Paget disease pathology Extranodal NK/T cell lymphoma, nasal type, pathology Eyelid contact dermatitis Eyelid dermatitis images Eyelid skin problems

F


Fabry disease Facial acne images Facial discoid dermatosis Facial lines and wrinkles Facial psoriasis Facial psoriasis images Facial rashes Facial red vein and vascular birthmark treatments Facial rejuvenation Facial skin problems False eyelashes and eyebrows Familial benign pemphigus pathology Familial cold autoinflammatory syndrome Familial Mediterranean fever (FMF) Farmyard pox pathology Fat grafting Favre-Racouchot syndrome pathology Favus Female genital cosmetic surgery Female pattern hair loss Fern extract Fever and a rash Feverfew Fibreglass dermatitis Fibroblastic connective tissue naevus pathology Fibroepithelioma of Pinkus Fibrofolliculoma / trichodiscoma pathology Fibrofolliculomas in Birt–Hogg–Dubé images Fibromatosis Fibrosarcoma pathology Fibrous hamartoma of infancy pathology Fibrous papule of the nose Fig Filariasis Fillers Finasteride Fingerprints Fingertip dermatitis Fingertip units Fissured tongue Fistulas and sinuses of the neck and face Fitzpatrick skin phototype Fixed drug eruption Flagellate erythema Flaps Flea bite Flegel disease Flegel disease pathology Flexural psoriasis Flexural psoriasis images Florid cutaneous papillomatosis Fluconazole Fluorouracil Flushing Focal cutaneous mucinosis pathology Focal dermal hypoplasia Focal epithelial hyperplasia Fogo selvagem Follicular eruptions due to drugs Follicular occlusion syndrome Folliculitis Folliculitis barbae Folliculitis decalvans Folliculitis images Folliculitis keloidalis Folliculitis keloidalis images Folliculitis keloidalis nuchae pathology Folliculosebaceous cystic hamartoma pathology Food additives Food allergy Foot skin conditions Fordyce spots Foreign body granuloma Forensic dermatology Formaldehyde allergy Fournier gangrene Fox-Fordyce disease Fractional laser treatment Fracture blister Fragrance allergy Fragrance mix allergy Fragrances and perfumes French marigold Friction blister Frontal fibrosing alopecia Frostbite Fumaric acid esters Fungal nail infections Fungal skin infections Fusidic acid

G


Gabapentin Gardner syndrome Garlic Gaslini diagnostic score for periodic fevers Generalised eruptive keratoacanthomas Generalised essential telangiectasia Generalised pustular psoriasis Generalised vulvodynia Genes and melanoma Genetics of basal cell carcinoma Genetics of melanoma Genetic testing for melanoma Genital Crohn disease Genital Crohn disease images Genital herpes Genital herpes images Genital psoriasis Genital psoriasis images Genital skin problems Genitourinary chlamydia infection Gentian violet Geographic tongue Geranium Germline BAP1 mutation and BAP1 inactivated melanocytic tumours Giant cell arteritis Giant cell fibroblastoma pathology Giant cell fibroma Giant cell tumour of tendon sheath pathology Giant hogweed Gingival enlargement Gingivitis and periodontitis Ginkgo biloba Glanders Glandular cheilitis Global Solar Ultraviolet Index Globular pattern dermoscopy Glomangioma pathology Glomeruloid haemangioma pathology Glomus tumour Glomus tumour pathology Glomuvenous malformation Gloves for hand protection Gluten enteropathy in patients with dermatitis herpetiformis Gnathostomiasis Gnathostomiasis pathology Gold for therapeutic purposes Gonorrhoea Gout Gouty tophus images Graft versus host disease Graft versus host disease pathology Graham Little syndrome Gram-negative folliculitis Granular cell tumour Granular cell tumour pathology Granular parakeratosis Granular parakeratosis images Granuloma Granuloma annulare Granuloma annulare images Granuloma annulare pathology Granuloma faciale Granuloma gluteale infantum Granuloma inguinale Granulomatosis with polyangiitis Granulomatous cheilitis Granulomatous dermatitis Grenz ray therapy Grevillea Grey circles on dermoscopy Griscelli syndrome Griseofulvin Guidelines for the diagnosis and assessment of eczema Guidelines for the management of adult eczema Guidelines for the management of psoriasis Guidelines for the outpatient management of childhood eczema Guselkumab Guttate psoriasis Guttate psoriasis images

H


Habit-tic deformity Haematohidrosis Haemochromatosis Haemolytic uraemic syndrome Hair and scalp Hair and skin colour Hair care practices in women of African descent Hair follicle tumours Hair loss Hair pieces and wigs Hair removal techniques Hair replacement surgery Hair shedding Hairy tongue Halogenoderma Halo mole images Halo moles Hamartoma Hand, foot, and mouth disease Hand, foot and mouth disease pathology Hand-foot syndrome Hand care for healthcare workers Hand dermatitis Hand dermatitis images Hand rub Hand skin conditions Harlequin ichthyosis Head lice Heat and cold Heat urticaria Heavy metal toxicity Heberden and Bouchard nodes Helicobacter pylori infection and skin diseases Heliotherapy Henoch–Schönlein purpura Heparin-induced skin necrosis Heparin induced thrombocytopenia Hereditary angioedema Hereditary benign telangiectasia Hereditary coproporphyria Hereditary focal palmoplantar keratoderma Hereditary gingival fibromatosis Hereditary haemorrhagic telangiectasia Hereditary leiomyomatosis and renal cell cancer syndrome Hermansky-Pudlak syndrome Herpangina Herpes simplex Herpes simplex images Herpes viruses Herpes virus infection pathology Herpes zoster Herpes zoster images Herpetic whitlow Hibernoma Hibernoma pathology Hidradenitis suppurativa Hidradenitis suppurativa (German version) Hidradenitis suppurativa: severity assessment Hidradenitis suppurativa images Hidradenocarcinoma pathology Hidradenoma papilliferum pathology Hidrocystoma images Hirsutism Histiocytic necrotising lymphadenitis Histiocytosis Histological clearance and recurrence of keratinocyte cancers Histology stains Histoplasmosis Histoplasmosis pathology Hodgkin lymphoma Home phototherapy Homocystinuria Honey in wound care Hookworm infections Horse chestnut Horse chestnut extract House dust mite Human bite Hyaluronic acid implant Hydroa vacciniforme Hydroa vacciniforme pathology Hydrogen peroxide Hydrophilic polyacrylamide gel Hydroquinone Hydroxyapatite implant Hydroxychloroquine Hydroxyurea Hydroxyurea-induced cutaneous ulcer Hyperandrogenism Hyperbaric oxygen therapy Hypereosinophilic syndrome Hypergranulotic dyscornification Hypergranulotic dyscornification pathology Hyperhidrosis Hyperimmunoglobulinaemia D with periodic fever syndrome Hyperkeratosis of the nipple and areola Hyperkeratotic palmar dermatitis Hyperthyroidism Hypertrichosis Hypertrophic osteoarthropathy and digital clubbing Hypnosis as a treatment for skin disorders Hypogonadism in females Hypogonadism in males Hypomelanosis of Ito Hypothyroidism

I


Ichthyosis Ichthyosis images Ichthyosis prematurity syndrome Ichthyosis vulgaris Idiopathic eruptive macular hyperpigmentation Idiopathic facial aseptic granuloma Idiopathic guttate hypomelanosis Idiopathic guttate hypomelanosis dermoscopy Idiopathic plantar hidradenitis IgA pemphigus IgG4-related disease IgG4-related skin disease pathology IgG subclass deficiency Image acquisition in dermatology Images of cafe-au-lait macules Images of penile lichen sclerosus Imatinib Imiquimod Immune reconstitution inflammatory syndrome Immunisation in immunosuppressed dermatology patients Immunodeficiency Immunoglobulin E tests Immunohistochemistry stains Immunological disorders Immunotherapy for allergic diseases Immunotherapy for melanoma Impetigo Impetigo pathology Incontinence-associated dermatitis Incontinence-associated dermatitis images Incontinentia pigmenti Indirect immunofluorescence Indolent cutaneous CD8+ lymphoid proliferation pathology Infantile acne Infantile acne images Infantile digital fibroma Infantile digital fibromatosis pathology Infantile haemangioma: Complications and treatment Infantile haemangioma: Definition and pathogenesis Infectious mononucleosis Infective panniculitis Inflammasomes and inflammatory skin diseases Inflammatory lesions in acne Inflammatory linear verrucous epidermal naevus Inflammatory linear verrucous epidermal naevus pathology Inflammatory myofibroblastic tumour pathology Infliximab for psoriasis Ingenol mebutate gel Ingrown toenails Injected skin treatments Insect bite images Insecticides and the skin Insect repellents Institutional scabies Insulin resistance Intense pulsed light therapy Interferon regulatory factor 4 gene Interleukin-17 in inflammatory skin disorders Interstitial granulomatous dermatitis pathology Intertrigo Intraepidermal carcinoma images Intraepidermal squamous cell carcinoma Intralesional injection Intralesional steroid injection Intralymphatic histiocytosis Intralymphatic histiocytosis pathology Intravascular lymphoma Intravenous immunoglobulin Introduction to dermatopathology Introduction to fungal infections Investigations in acne Iodine Iontophoresis Ipilimumab Iron deficiency Irritant contact dermatitis Irritant or traumatic conjunctivitis Isolated limb perfusion for advanced melanoma Isothiazolinone mix allergy Isotretinoin Itch, pruritus Itchy anus Itchy vulva Itraconazole Ivermectin Ixekizumab

K


Kanuka Kaposi sarcoma Kaposi sarcoma images Kaposi sarcoma pathology Kasabach-Merritt syndrome Kava dermopathy Kawasaki disease Keloid and hypertrophic scar Keratin-based dressings for chronic wounds Keratinocyte cancer Keratoacanthoma Keratoacanthoma images Keratoelastoidosis marginalis Keratoelastoidosis marginalis pathology Keratolytic agents Keratolytic winter erythema Keratolytic winter erythema images Keratosis circumscripta Keratosis lichenoides chronica Keratosis lichenoides chronica pathology Keratosis pilaris Keratosis pilaris atrophicans faciei Keratosis pilaris images Kerion Kerion images Ketoconazole Key clinical-trial evidence about dupilumab Key clinical-trial evidence for alitretinoin Key clinical-trial evidence for apremilast Key clinical-trial evidence for brimonidine Key clinical-trial evidence for brodalumab Key clinical-trial evidence for calcipotriol/betamethasone dipropionate foam Key clinical-trial evidence for calcipotriol/betamethasone dipropionate ointment and gel Key clinical-trial evidence for cemiplimab Key clinical-trial evidence for cobimetinib Key clinical-trial evidence for crisaborole Key clinical-trial evidence for dabrafenib Key clinical-trial evidence for guselkumab Key clinical-trial evidence for ingenol mebutate gel Key clinical-trial evidence for ixekizumab Key clinical-trial evidence for lanadelumab Key clinical-trial evidence for nivolumab Key clinical-trial evidence for omalizumab Key clinical-trial evidence for pembrolizumab Key clinical-trial evidence for posaconazole Key clinical-trial evidence for risankizumab Key clinical-trial evidence for secukinumab Key clinical-trial evidence for sonidegib Key clinical-trial evidence for trametinib Key clinical-trial evidence for vismodegib Key clinical trial evidence for tildrakizumab Kimura disease Kindler syndrome Kiwifruit Klippel–Trénaunay syndrome Knuckle pad Koebner phenomenon KTP laser treatment Kyrle disease

L


Labial adhesion in adult women Labial adhesion in prepubertal girls Labial fusion images Labial melanotic macule Laboratory tests for bacterial infections Laboratory tests for fungal infection Laboratory tests for viral infections Lactation and medications used in dermatology Lactation and nipple problems Lanadelumab Langerhans cell histiocytosis Laser eyelid surgery Laser resurfacing Lasers, electrical and radiofrequency devices Lasers, lights, and acne Lasers in dermatology Laser therapy in skin of colour Laterothoracic exanthem Latex allergy Laugier-Hunziker syndrome Lavender Lax beetle dermatosis Lax beetle images Lebrikizumab Leeches Leek Leflunomide Legius syndrome Leg ulcer Leg ulcer images Leg vein therapies Leiner disease Leiomyoma Leiomyosarcoma pathology Leishmaniasis Leishmaniasis images Leishmaniasis pathology Lemon Lentiginous melanoma Lentigo Lentigo images Lentigo maligna and lentigo maligna melanoma Lentigo maligna and lentigo maligna melanoma dermoscopy Lentigo pathology Lentigo simplex LEOPARD syndrome Lepra reactions Leprosy Leprosy pathology Leptospirosis Lesch–Nyhan syndrome Lettuce Leukaemia cutis Leukocytoclastic vasculitis pathology Leukoderma Leukotriene antagonists Levamisole-adulterated cocaine vasculopathy Leyland cyprus Lice Lichen aureus pathology Lichen myxoedematosus Lichen nitidus Lichen nitidus pathology Lichenoid amalgam reaction Lichenoid disorders Lichenoid drug eruption Lichenoid drug eruption pathology Lichenoid keratosis Lichen planopilaris Lichen planus Lichen planus pathology Lichens Lichen sclerosus Lichen sclerosus in men Lichen sclerosus pathology Lichen simplex Lichen simplex of the scrotum Lichen simplex of the vulva Lichen spinulosus Lichen striatus Lichen striatus pathology Lime Linea nigra Linear focal elastosis Linear IgA bullous disease Linear porokeratosis Lip licker’s dermatitis Lipodermatosclerosis Lipodermatosclerosis images Lipodystrophy Lipoedema – definition and pathogenesis Lipoedema – therapy Lipoid proteinosis Lipoid proteinosis pathology Lipoma and liposarcoma Lipoma pathology Liposarcoma pathology Liposuction in cosmetic dermatology Liquid nitrogen/cryotherapy guidelines Listeriosis Lithium Livedoid vasculopathy Livedo reticularis Liver problems and psoriasis Liverworts Lobomycosis Local anaesthesia Low dose laser therapy for hair loss Lower anogenital squamous terminology Lumbosacral dermal melanocytosis Lupus miliaris disseminatus faciei pathology Lupus pernio Lyme disease Lyme disease pathology Lymphangioma circumscriptum pathology Lymphatic malformation Lymph node surgery for melanoma Lymphocytic thrombophilic arteritis Lymphocytoma cutis Lymphoedema Lymphoepithelioma-like carcinoma pathology Lymphogranuloma venereum Lymphoma Lymphomatoid granulomatosis Lymphomatoid papulosis Lymphomatoid papulosis pathology Lynch syndrome Löfgren syndrome

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Macroglossia Macular amyloidosis Maculopapular cutaneous mastocytosis Maculopapular cutaneous mastocytosis pathology Madarosis Madarosis images Maggot debridement therapy Majeed syndrome Majocchi granuloma Malakoplakia of the skin and tongue Malaria and its skin signs Malassezia folliculitis Malassezia folliculitis pathology Malassezia infections Male genital dysaesthesia Male pattern hair loss Malignant atrophic papulosis Malignant basomelanocytic tumour pathology Malignant histiocytoses Malignant proliferating trichilemmal cyst Malnutrition including anorexia nervosa Mammary and extramammary Paget disease of the skin images Mammary Paget disease of the skin Management of hidradenitis suppurativa: an Australasian consensus statement Mango Manuka Marfan syndrome Marginal keratoderma Marigold Marine wounds and stings Marjolin ulcer Martorell ulcer Mastocytoma Mastocytosis McCune–Albright syndrome Measles Measles images Mebendazole Median canaliform nail dystrophy Median raphe cyst pathology Medical journals for the dermatologist Medical nail avulsion Medical organisations in New Zealand and Australia Megalencephaly-capillary malformation-polymicrogyria Melanocortin 1 receptor gene Melanocytic lesions pathology Melanocytic matricoma pathology Melanocytic naevi and melanoma in pregnancy Melanocytic naevi in skin of colour images Melanocytic naevus pathology Melanoma Melanoma. Check your skin today Melanoma. Do I have melanoma? Melanoma. Has my melanoma spread? Melanoma. How is melanoma removed? Melanoma. I have advanced melanoma: what now? Melanoma. I have melanoma. What's my outlook? Melanoma. See your doctor for a skin check Melanoma. Spot the difference! Melanoma. Surviving melanoma Melanoma. What causes melanoma? Sunlight! Melanoma. What is melanoma? An introduction Melanoma. Who gets melanoma? Melanoma: what happens at the pathology laboratory? Melanoma in situ Melanoma in skin of colour Melanoma of nail unit images Melanoma of the nail unit Melanoma pathology Melanoma research and clinical trials Melanonychia Melanonychia images Melanotan II Melasma Melasma images Melatonin Melioidosis Meningococcal disease Menopause and the skin Meralgia paraesthetica Merkel cell carcinoma Merkel cell carcinoma pathology Mesothelioma pathology Mesotherapy Metabolic syndrome Metastatic adenocarcinoma pathology Metastatic Crohn disease pathology Metastatic melanoma Metastatic melanoma images Metastatic melanoma with unknown primary Methicillin-resistant Staphylococcus aureus Methotrexate Methyl aminolevulinate photodynamic therapy Methylisothiazolinone allergy Metronidazole Meyerson naevus Microgeodic disease Microorganisms found on the skin Microphthalmia with linear skin defects syndrome Mid-dermal elastolysis Milia images Miliaria Milium Milker's nodule Minoxidil solution Mint Miscellaneous treatments and procedures to treat the skin Mixed connective tissue disease Mohs micrographic surgery Mohs surgery images Moles Molluscum contagiosum Molluscum contagiosum images Molluscum contagiosum pathology Monitoring immune-modulating drugs used in dermatology Monogenic autoinflammatory syndromes Morbihan disease Morbilliform drug reaction Morgellons disease Morphoea Morphoea en coup de sabre Morphoea images Mouth problems Mouth ulcer Mouthwash Moxibustion Mpox (Monkeypox) Mucinous carcinoma pathology Muckle–Wells syndrome Mucocoele of the lip Mucormycosis pathology Mucosal melanoma Mucous membrane pemphigoid Multicentric reticulohistiocytosis Multinucleate cell angiohistiocytoma pathology Multiple endocrine neoplasia type 2B Multiple self-healing squamous epitheliomas of Ferguson-Smith Mupirocin Mycetoma Mycetoma pathology Mycobacterium marinum skin infection pathology Mycology of dermatophyte infections Mycophenolate mofetil Mycoplasma pneumoniae infection Mycosis fungoides Mycosis fungoides palmaris et plantaris Mycosis fungoides pathology Myiasis pathology Myofibroma pathology Myxofibrosarcoma pathology Myxoma syndrome

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Naevus anaemicus Naevus lipomatosus superficialis Naevus lipomatosus superficialis pathology Naevus of Ota, naevus of Ito, naevus of Hori Naevus simplex Nail cosmetics allergy Nail disorder images Nail disorders Nail matrix biopsy Nail psoriasis Nail psoriasis images Nail terminology Napkin dermatitis Napkin dermatitis images Natal and neonatal teeth Necrobiosis lipoidica Necrobiosis lipoidica pathology Necrobiotic xanthogranuloma pathology Necrolytic acral erythema Necrolytic migratory erythema Necrotising fasciitis Necrotising fasciitis images Necrotising fasciitis pathology Necrotising infundibular crystalline folliculitis pathology Necrotising periodontal disease Needling Negative network dermoscopy images Negative pressure wound therapy Nemolizumab Neodymium YAG laser treatment Neonatal cephalic pustulosis Neonatal lupus erythematosus Nephrogenic fibrosing dermopathy Netherton syndrome Neurocristic hamartoma pathology Neurofibroma pathology Neurofibromatosis Neurofibromatosis images Neurofollicular hamartoma pathology Neurothekeoma pathology Neutrophilic dermatoses Neutrophilic dermatosis of the hands Neutrophilic sebaceous adenitis Nevus sebaceous New Zealand training programme for specialist dermatologists Nickel allergy Nicotinamide Nicotine stomatitis Nipple eczema Nipple eczema images Nipple papillomatosis Nipple skin problems Nitric oxide Nivolumab Nocardiosis Nodular basal cell carcinoma images Nodular fasciitis pathology Nodular melanoma Nodular panniculitis Nodular prurigo Nodular vasculitis Nodulocystic acne NOMID/CINCA syndrome Non-albicans candida infections Non-dermatophyte mould onychomycosis Non-Langerhans cell histiocytosis Non-sexually acquired genital ulceration Non-sexually acquired human papillomavirus infection Non-steroidal anti-inflammatory drugs and their skin side effects Noonan syndrome Normal mole images Notalgia paraesthetica

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Pachydermodactyly Pachyonychia congenita Paederus dermatitis Paediatric multisystem inflammatory syndrome (PIMS) Paediatric psoriasis Painful sex in women Palisaded and encapsulated neuroma pathology Palmar erythema Palmar fibromatosis and plantar fibromatosis pathology Palmoplantar keratoderma Palmoplantar keratoderma Nagashima type Palmoplantar psoriasis images Palmoplantar pustulosis Palmoplantar pustulosis images Panfolliculoma pathology Panniculitis Panniculitis associated with pancreatic disease Panton-Valentine leukocidin Staphylococcus aureus PAPA syndrome Papular acrodermatitis of childhood Papular acrodermatitis of childhood images Papular mucinosis pathology Papular purpuric gloves and socks syndrome Papular urticaria Paracoccidioidomycosis pathology Paradoxical psoriasis Parakeratosis pustulosa Paraneoplastic pemphigus Paraneoplastic pemphigus pathology Paraneoplastic pruritus Paronychia Paronychia images Parsley Parsnip PASI score Patch test images Patch tests Pathergy Patient-oriented PASI score PDT Peanut allergy Pearly penile papules Pearly penile papules images PEComa pathology Pellagra PELVIS and LUMBAR syndromes Pembrolizumab Pemphigoid gestationis Pemphigoid nodularis Pemphigus Pemphigus foliaceus Pemphigus foliaceus pathology Pemphigus vulgaris Pemphigus vulgaris pathology Penicillin Penile epithelial neoplasia images Penile fibromatosis Penile intraepithelial neoplasia Perforating folliculitis pathology Perianal dermatoses Perianal lichen sclerosus images Perianal streptococcal dermatitis Perifolliculitis capitis abscedens et suffodiens Perineal pyramidal protrusion Perineurioma pathology Periocular dermatitis Periodic fever syndromes Periorificial dermatitis Periorificial dermatitis in children Peripheral odontogenic fibroma Peripheral ossifying fibroma Peristomal intestinal metaplasia Perniosis pathology Perpendicular white lines dermoscopy Personal protective equipment Peruvian lily Peutz-Jeghers syndrome PFAPA syndrome PHACE syndrome Phaeochromocytoma Phaeohyphomycosis pathology Phakomatosis pigmentovascularis Phantom vibration syndrome Pharmacogenomics in dermatology Photocontact dermatitis Photographic skin surveillance Photosensitivity Phototesting Phototherapy Phrynoderma Phytophotodermatitis Picosecond laser Piebaldism Piedra Piezogenic papule images Piezogenic papules Pigmentary demarcation lines Pigmentation disorders Pigmented contact cheilitis Pigmented follicular cyst pathology Pigmented skin lesions Pilar sheath acanthoma Pilar sheath acanthoma pathology Pilomatricoma Pilomatricoma pathology Pilomatrix carcinoma Pilonidal disease Pilonidal sinus pathology Pimecrolimus Pinta Pinworms Pitted keratolysis Pitted keratolysis pathology Pitting oedema Pityriasiform seborrhoeide Pityriasis alba Pityriasis amiantacea Pityriasis lichenoides Pityriasis lichenoides et varioliformis acuta pathology Pityriasis rosea Pityriasis rotunda Pityriasis rubra pilaris Pityriasis rubra pilaris pathology Pityriasis versicolor Pityriasis versicolor pathology Plague Plant dermatitis Plants that cause skin problems Plasma cell balanitis/vulvitis Plasma cell balanitis/vulvitis images Plasma cell mucositis Plasmacytoma Plasmapheresis for skin disease Plasma skin regeneration Platelet-rich plasma Pleomorphic hyalinising angiectatic tumour pathology Pleomorphic lipoma pathology Pneumocystosis Podoconiosis Podophyllotoxin POEMS syndrome Poikiloderma of Civatte Polarised vs nonpolarised light in dermoscopy images Poliosis Pollen-food allergy syndrome Polyarteritis nodosa pathology Polycystic ovary syndrome Polyethylene implant Polymethyl-methacrylate Polymorphic eruption of pregnancy Polymorphic light eruption Polymorphic light eruption pathology Polymorphous sweat gland carcinoma pathology Polytetrafluoroethylene implant Porokeratosis Porokeratosis of Mibelli Porokeratosis pathology Porokeratosis plantaris, palmaris et disseminata Porokeratosis ptychotropica Porokeratotic eccrine ostial and dermal duct naevus Porphyria cutanea tarda Posaconazole Post-herpetic neuralgia Postinflammatory hyperpigmentation Poststeroid panniculitis pathology Potassium iodide solution Potassium permanganate Prader–Willi syndrome Premature ageing syndromes Premature infant skin and care Prenatal diagnosis of inherited skin conditions Pressure ulcer Pretibial myxoedema Pretibial pruritic papular dermatitis Primary cutaneous amyloidosis pathology Primary cutaneous anaplastic large-cell lymphoma Primary cutaneous CD30+ lymphoproliferative disorders Primary cutaneous diffuse large B cell lymphoma pathology Primary cutaneous follicle centre lymphoma Primary dermal melanoma Primula Progressive macular hypomelanosis Prolidase deficiency Proliferating epidermoid cyst pathology Proliferating trichilemmal cyst Proliferating trichilemmal cyst pathology Prophylactic treatment for dermatology patients on a systemic corticosteroid Propranolol for infantile haemangioma Protein-energy malnutrition Proteus syndrome Protozoan infections Prurigo Prurigo of pregnancy Prurigo of pregnancy images Prurigo pigmentosa Prurigo pigmentosa pathology Pruritic papular eruption of HIV Pseudocarcinomatous hyperplasia in anaplastic large cell lymphoma pathology Pseudochromhidrosis Pseudoepitheliomatous keratotic and micaceous balanitis Pseudoepitheliomatous keratotic and micaceous balanitis pathology Pseudofolliculitis barbae Pseudomonas skin infections Pseudopelade of Brocq Pseudoporphyria Pseudoxanthoma elasticum Pseudoxanthoma elasticum pathology Psoriasis Psoriasis of the palms and soles Psoriatic arthritis Psychological effects of acne Psychological effects of atopic dermatitis Psychological effects of cutaneous lupus erythematosus Psychological effects of hair loss Psychological effects of psoriasis Psychosocial factors in dermatology Pubic lice Pudendal nerve entrapment syndrome Pulsed dye laser treatment Punctate-type palmoplantar keratoderma Purpura Pustular psoriasis of pregnancy Pustular skin conditions PUVA (photochemotherapy) Pyoderma faciale Pyoderma gangrenosum Pyodermatitis-pyostomatitis vegetans Pyogenic granuloma

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Safety of medicines taken during pregnancy Salicylic acid SAPHO syndrome Sarcoidosis Sarcoidosis pathology Scabies Scabies pathology Scabies test Scalp folliculitis Scalp folliculitis images Scalp psoriasis Scalp tumours and cysts Scaly skin conditions Scarlet fever Schistosomiasis Schnitzler syndrome Schwannoma pathology Schöpf-Schulz-Passarge syndrome Sclerema neonatorum Sclerema neonatorum pathology Scleroderma Scleroedema Sclerosing lipogranuloma pathology Sclerotherapy Scombroid fish poisoning SCORAD Scrotodynia Scrub typhus Scurvy Sea bather's eruption Seaweed dermatitis Sebaceoma pathology Sebaceous carcinoma Sebaceous carcinoma pathology Sebaceous hyperplasia Sebaceous hyperplasia images Sebopsoriasis Seborrhoea Seborrhoeic dermatitis Seborrhoeic keratosis Seborrhoeic keratosis dermoscopy images Seborrhoeic keratosis images Seborrhoeic keratosis pathology Sebum Secukinumab Segmental pigmentation disorder Selective IgA deficiency Selenium sulfide Self skin examination Self skin examination video Semen contact allergy Senile purpura Sensitive skin Sentinel lymph node biopsy Septic embolus Serum sickness Serum sickness-like reaction Severe combined immunodeficiency Severe cutaneous adverse reaction Sexually acquired human papillomavirus Sexually transmitted infections Shampoo Shaving Shiitake flagellate dermatitis Shiitake flagellate dermatitis images Shoe contact dermatitis Short anagen syndrome Shrimp nail Sign of Leser-Trélat Silicone dressings Silicone implant Silver nitrate pigmentation pathology Sinecatechins ointment Sirolimus Sister Mary Joseph nodule of the umbilicus Site and age specific skin problems SJS-TEN images Sjögren-Larsson syndrome Sjögren syndrome Skin ageing Skin barrier function Skin cancer Skin cancer in transplant recipients Skin cancer surveillance strategies Skin changes at puberty Skin changes in pregnancy Skin complications of paraplegia and tetraplegia Skin conditions in children Skin conditions in newborn babies Skin conditions in scientists and laboratory technicians Skin conditions relating to HIV infection Skin disease and schizophrenia Skin disease and teeth Skin diseases and conditions affecting body folds Skin disorders in boat builders Skin disorders in chemical industry workers Skin disorders in veterinarians and veterinary nurses Skin effects associated with methamphetamine Skin grafting Skin immune system Skin infections Skin infections in people who inject drugs Skin lesions, tumours, and cancers Skin manifestations of haematological diseases Skin manifestations of systemic mycoses Skin pigmentation problems Skin prick testing Skin problems among textile workers Skin problems associated with diabetes mellitus Skin problems associated with thyroid disease Skin problems due to caterpillars and moths Skin problems from stomas Skin problems in beauticians Skin problems in chefs and restaurant workers Skin problems in childcare staff Skin problems in dentists and dental technicians Skin problems in farmers Skin problems in florists Skin problems in food handlers and the catering industry Skin problems in hairdressers and barbers Skin problems in healthcare personnel Skin problems in motor vehicle repair workers Skin problems in painters and decorators Skin problems in professional cleaners Skin problems in professional printers Skin problems on and around the umbilicus Skin problems on the arms Skin problems on the trunk Skin reactions to COVID-19 vaccines Skin reactions to face masks Skin signs and systemic disease Skin signs of coma Skin signs of gastrointestinal disease Skin signs of neurological diseases Skin signs of non-accidental injury Skin signs of respiratory disease Skin signs of rheumatic disease Skin signs of viral hepatitis Skin surface gene expression Skin surgery Skin tag Skin tag images Skin tension lines Skin toxicity of chemotherapy drugs Smallpox Smoking and its effects on the skin Sneddon syndrome Sodium stibogluconate Solar comedo Solar elastosis Solar lentigo Solar lentigo images Solar urticaria Solitary neurofibroma Sonidegib Spa pool folliculitis Spa pool folliculitis images Sparganosis Specific antibody deficiency Spectrophotometric analysis of skin lesions Spesolimab Spider bites Spider telangiectasis Spider telangiectasis images Spindle cell lipoma pathology Spindle cell melanoma Spitz naevus Spitz naevus and Reed naevus images Spitz naevus pathology Spitzoid melanoma Splenosis pathology Splinter haemorrhage Spondyloarthropathy Sporotrichoid lymphocutaneous infection Sporotrichosis Sporotrichosis pathology Spotted fever group rickettsial disease Squamous cell carcinoma dermoscopy Squamous cell carcinoma in situ pathology Squamous cell carcinoma of limbs images Squamous cell carcinoma of the ear images Squamous cell carcinoma of the lip images Squamous cell carcinoma on the face images Squamous cell carcinoma pathology Squamous cell papilloma Squamous intraepithelial lesion Staphylococcal scalded skin syndrome Staphylococcal skin infection Stasis ulcer Steatocystoma multiplex Steroid acne Steroid acne images Steroid impregnated tape Steroid rosacea Stevens Johnson syndrome / toxic epidermal necrolysis nursing Stevens–Johnson syndrome / toxic epidermal necrolysis Stewart–Treves syndrome Stomatitis Strawflower Streptococcal skin infection Stretch marks Strongyloidiasis Structure of normal skin Stucco keratosis Sturge–Weber syndrome Subacute cutaneous lupus erythematosus Subcision Subcorneal pustular dermatosis Subcutaneous fat necrosis of the newborn Subcutaneous fat necrosis of the newborn pathology Subcutaneous panniculitis-like T-cell lymphoma pathology Subepidermal calcified nodule Subtypes of Ehlers–Danlos syndrome Subungual exostosis Subungual haemorrhage Subungual haemorrhage images Subungual melanoma pathology Sulfa drugs and the skin Sulfasalazine Sunbeds and solaria Sunburn Sunflower Sun protection Sun protective clothing Sunscreen allergy Sunscreens Superficial acral fibromyxoma pathology Superficial spreading melanoma Superficial thrombophlebitis Superimposed segmental manifestation of polygenic skin disorders Supernumerary nipple Supernumerary nipple dermoscopy Supernumerary nipple images Superoxidised solution Surgical gloves Surgical treatment of stable vitiligo Surgical wound closure Suture materials Suturing techniques Sweat gland lesions Swimmer's itch Symmetrical drug-related intertriginous and flexural exanthema Synovial metaplasia pathology Synovial sarcoma pathology Synthetic wound dressings Syphilis Syphilis images Syphilis pathology Syringofibroadenoma pathology Syringoma Systemic amyloidosis Systemic amyloidosis pathology Systemic contact dermatitis Systemic corticosteroid Systemic lupus erythematosus Systemic lupus erythematosus images Systemic sclerosis Systemic therapy Sézary syndrome

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Tacrolimus Talaromycosis Talimogene laherparepvec (T-VEC) Talon noir pathology Tapeworm infection Tapinarof Target and targetoid lesions Targeted cancer therapies Targeted phototherapy Targetoid haemosiderotic haemangioma pathology Tattoo-associated skin reactions Taxanes TCA CROSS Telangiectasia Teledermatology Telogen effluvium Temporal triangular alopecia Terbinafine Terminology in dermatology Terra firma-forme dermatosis Tetracyclines Textile contact dermatitis Textile dye allergy Thalidomide Thallium poisoning The complement system The differential diagnosis of itchy skin The gut microbiome in skin disease The immune system summarised The impact of climate change on skin The mind and the skin The physiology and pharmacology of adrenaline Thermal burn Thermal burns associated with the use of ointments The role of surgery in dermatology Thioguanine Thiomersal allergy Thromboangiitis obliterans Tick-borne relapsing fever Tick bite Tick bite-induced red meat allergy Tildrakizumab Tinea Tinea barbae Tinea capitis Tinea capitis pathology Tinea corporis Tinea corporis images Tinea corporis pathology Tinea cruris Tinea faciei Tinea incognito Tinea incognito pathology Tinea manuum Tinea nigra Tinea nigra pathology Tinea pedis Tinea pedis images Tirbanibulin ointment Tofacitinib Topical and intralesional immunotherapy for melanoma metastases Topical antifungal medication Topical corticosteroid withdrawal Topical formulations Topical medications for skin conditions Topical nitrogen mustard Topical retinoids Topical silver therapy Topical skin adhesives Topical steroid Topical treatment for acne Topical vitamin C TORCH infections Torus Toxic epidermal necrolysis pathology Toxic erythema of the newborn Toxic shock syndrome and toxic shock-like syndrome Toxocariasis Toxoplasmosis Toxoplasmosis pathology Trachyonychia Traction alopecia Tralokinumab Trametinib Tranexamic acid Transgender patients and their skin Transient acantholytic dermatosis Transient acantholytic dermatosis images Transient acantholytic dermatosis pathology Transient lingual papillitis Transient neonatal pustular melanosis Treated melanoma pathology Treatment of atopic dermatitis Treatment of fungal infection Treatment of psoriasis Treatment of psoriasis in pregnancy Treatment of psychodermatological disorders Treatment of skin diseases Tree fern Trichilemmal carcinoma Trichilemmal carcinoma pathology Trichilemmal cyst Trichilemmal cyst pathology Trichilemmoma Trichilemmoma pathology Trichoadenoma pathology Trichoblastic carcinoma Trichoblastoma Trichodysplasia spinulosa Trichoepithelioma Trichoepithelioma pathology Trichofolliculoma Trichofolliculoma pathology Trichomoniasis Trichomycosis axillaris Trichophagia Trichoscopy Trichoscopy of generalised noncicatricial hair loss Trichoscopy of genetic hair shaft disorders Trichoscopy of inflammatory conditions Trichoscopy of localised cicatricial hair loss Trichoscopy of localised noncicatricial hair loss Trichoscopy of scalp infestations Trichostasis spinulosa Trichothiodystrophy Trichotillomania Trichotillomania images Trichuriasis Tricyclic antidepressants Trigeminal trophic syndrome Triggers for Stevens–Johnson syndrome / toxic epidermal necrolysis Trimethylaminuria Tripe palms Tropical pyomyositis Tropical skin diseases Tropical ulcer Trousseau syndrome Tuberculids Tuberculosis screening Tuberous sclerosis Tuberous sclerosis images Tularaemia Tulip Tumour necrosis factor inhibitors Tumour necrosis factor receptor-associated periodic syndrome Tumour of the follicular infundibulum pathology Tungiasis Turner syndrome Typhoid fever Tzanck smear

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