Document Type

Conference Proceeding

Publication Date

8-1-2021

Publication Title

Am J Dermatopathol

Abstract

Pili Multigemini (PM) is an uncommon, pilar dysplasia characterized by clusters of hair shafts emerging from a single follicle. We present a rare and unique case of PM involving the eye. A 43 year old Caucasian male, presented with a prolonged history of a recurrent lesion at the right upper eyelid, present for two years. Clinical examination revealed a subcutaneous cyst with a prominent follicular pore with a differential diagnosis of epidermoid cyst, nevus and pili bifurcati. Excisional biopsy was performed and microscopy showed a benign malformed hair follicle containing multiple different hair shafts enclosed in a common outer root sheath; consistent with the diagnosis of Pilli Multigemini. Pili Multigemini was first described by Flemming in 1883 and is frequently found in the beard of adults and scalp of children. To our knowledge, this is the first case of Pilli Multigemini involving the eye. its noteworthy to consider during diagnostic workup; as well as to exclude other follicular and inflammatory abnormalities involving the eye.

Volume

43

Issue

Suppl 8

First Page

S14

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