Answer of Dermatopathology Case 102

Acrodermatitis Chronica Atrophicans

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There is superficial and deep chronic inflammatory cellular infiltrate in the dermis.
It is moderately heavy and composed mainly of lymphocytes together with histiocytes and plasma cells.
There is telangiectasia and the cellular infiltrate is prominent around the blood vessels.
Inflammatory cells are also present around the adnexae.
Thickened collagen bundles are haphazardly present in the upper half of the dermis.
There is some atrophy of the dermis and of the subcutis. The epidermis also shows variable atrophy with loss of rete pegs.

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