Reactive perforating collagenosis
Reactive perforating collagenosis: dermoscopy
Keywords: Acquired perforating collagenosis, Central yellowish-brown structureless area, Dermoscopy, Diabetes mellitus type 2, Erythematous scaly plaque, Female, Histopathology-confirmed, Leg, Maori ethnicity, Pinkish-white scaly halo, Reactive perforating collagenosis, Skin of colour, Smoker, Whitish central rim
What is reactive perforating collagenosis?
Reactive perforating collagenosis is the most common type of primary perforating dermatosis. It is characterised by the transepithelial elimination of collagen from the dermis through the epidermis to the skin surface.
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Source: dermnetnz.org