Primary osteoma cutis.
D000328:Adult; D006222:Hamartoma / Q000150:complications; D006801:Humans; D008297:Male; D010016:Osteoma / Q000151:congenital / Q000000981:diagnostic imaging / Q000209:etiology / Q000473:pathology*; D010864:Pilonidal Sinus / Q000150:complications; D011859:Radiography; D012878:Skin Neoplasms / Q000151:congenital / Q000000981:diagnostic imaging / Q000209:etiology / Q000473:pathology*