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Article
June 1989

A Productive Black Facial Pore

Author Affiliations

Duke University Medical Center, Durham, NC

Arch Dermatol. 1989;125(6):827-828. doi:10.1001/archderm.1989.01670180099017
Abstract

REPORT OF A CASE  A 65-year-old man presented to the Durham (NC) Veterans Administration Hospital dermatology clinic requesting removal of a "hole" in his cheek. The defect had been present for approximately 6 years without any change in appearance. Although the lesion was neither painful nor pruritic, the patient was distressed by its appearance and its frequent extrusion of a black substance.Inspection of the patient's face revealed a 3- to 4-mm pore on his right cheek (Figs 1 and 2). The patient's request for its excision was obliged. The histologic appearance of the pore is shown in Figs 3 and 4.What is your diagnosis?

DIAGNOSIS:  Trichofolliculoma.

HISTOLOGIC FINDINGS  The lesion showed a dilated, keratin-filled invagination lined by keratinizing squamous epithelium. Numerous projections with follicular differentiation radiated from this structure.

DISCUSSION  Trichofolliculoma is an adnexal tumor of hair follicle origin, considered

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