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Early superficial plaques of psoriasis on the back - gentle scratching will accentuate the typical silvery scale
Vitiligo affecting the upper and lower lids symmetrically
Clustered vesicles of herpes zoster infection in HIV
Conchal bowl discoid lupus erythematosus (Shuster sign), (DLE-patient4)
Lip licker's dermatitis
An in situ melanoma on the ear lobe - note slight irregularity of margin
Surrounding cellulitis
A pigmented lesion on the trunk with irregularity of colours; histology showed an in situ melanoma, (MIS-patient3)
Ice-pick scars over the cheeks