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Abstract

Hair follicle nevus (HFN) is a rare hamartoma typically diagnosed on the face of infants, where it may clinically mimic an accessory tragus. We report a 6-month-old boy who presented with a congenital fleshy, bilobed papule in the midline of his upper abdomen that upon excision was classified as an HFN based on detailed histopathologic examination. Our report documents a previously undescribed extracephalic location of the HFN and therefore expands the spectrum of clinical presentations of this rare hamartoma.