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Flashcards in Adnexal Deck (2)
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Trichoepithelioma

Circumscribed tumor
Basaloid cells ( focal connection epidermis)fibrous stroma
Nests or anastamosing strands papillary projections ( primitive hair germ like)peripheral pallisading
Horn cysts, papillary mesenchymal bodies

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Eccrine poroma

Uniform basaloid cells aggregate
Broad anatamozing tracts undersurface epidermis
Ductal structures, intracytoplasmic vacuoles
Primitive ducts, sharp demarcation normal keratinocytes(adjacent epidermis