Giant hair matrix tumor.
D000328:Adult; D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000473:pathology; D005260:Female; D006197:Hair; D006801:Humans; D008297:Male; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local; D012535:Scalp; D012878:Skin Neoplasms / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery