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Perianal and perineal keratoacanthoma: Two cases demonstrating histologic similarity to subungual keratoacanthoma
Author(s) -
Paulson Nathan,
Gibson Joanna,
Glusac Earl
Publication year - 2019
Publication title -
journal of cutaneous pathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.597
H-Index - 75
eISSN - 1600-0560
pISSN - 0303-6987
DOI - 10.1111/cup.13518
Subject(s) - keratoacanthoma , medicine , dermatology , pathology , basal cell
Perianal keratoacanthomas are rare, with 10 cases reported to date. Perineal keratoacanthoma has not previously been described. In this report, we describe two cases of keratoacanthoma, one perianal and one perineal. Both lesions show prominent dyskeratotic keratinocytes, with striking and curious histologic resemblance to subungual keratoacanthoma.