Ann Dermatol. 1992 Jan;4(1):41-44. English.
Published online Nov 28, 2016.
https://doi.org/10.5021/ad.1992.4.1.41
Published online Nov 28, 2016.
https://doi.org/10.5021/ad.1992.4.1.41
Copyright © The Korean Dermatological Association and The Korean Society for Investigative Dermatology
Case Report
A Case of Inverted Follicular Keratosis
Joon Mo Yang
Abstract
I report a case of inverted follicular keratosis in a 68-year-old woman who presented a solitary, asymptomatic, slightly brownish verrucous nodule on her nose, present for 3 years. The lesion was characterized histologically by focal hyperkeratosis, marked acanthosis, horn cysts, numerous squamous eddies and sebaceous differentiation of the basaloid cells in the epidermis.
Keywords
Inverted follicular keratosis; Squamous eddy; Sebaceous differentiation
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