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. 2021 Dec 1;46(8):1615–1617. doi: 10.1111/ced.14784

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© 2021 British Association of Dermatologists

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(a) Orthokeratosis with epidermal atrophy, scattered degenerated apoptotic keratinocytes, patchy areas of basal cell degeneration and interface dermatitis, perivascular and periadnexal inflammatory cell infiltrate, and extravasation of erythrocytes in the dermis; (b) apoptotic keratinocytes (arrow), upper dermal oedema and extravasation of erythrocytes. Haematoxylin and eosin, original magnification (a) × 50; (b) × 400.