title: Pilonidal sinus epidermoid carcinoma: a clincopathologic study and a collective review.
mesh_terms: D000328:Adult; D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000150:complications / Q000473:pathology / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010864:Pilonidal Sinus / Q000150:complications / Q000473:pathology / Q000601:surgery*