Tumor of Follicular Infundibulum; Eruptive Variant: A Case Report
Abstract
Tumor of follicular infundibulum (TFI) is a rare benign follicular tumor typically presenting as a solitary macule or papule on the head and neck area. Our case presented with multiple hypopigmented macules as an eruptive variant that should be differentiated from common skin lesions such as pityriasis versicolor, pityriasis alba and vitiligo. Histopathological study was necessary for definite diagnosis, which revealed horizontal plate – like proliferation of small monomorphic and pale staining epithelium with multiple slender connections with surface epidermis or upper part of hair follicles. TFI is chronic, persistent, and benign in nature, so the treatment should be conservative.
Keywords: Tumor of follicular infundibulum, isthmicoma, hypopigmented macule
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