Benign osteoblastoma of the clivus removed by a transoral approach: case report.
D000293:Adolescent; D003388:Cranial Fossa, Posterior; D006801:Humans; D008297:Male; D008722:Methods; D010017:Osteoma, Osteoid / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D011859:Radiography; D012888:Skull Neoplasms / Q000000981:diagnostic imaging / Q000601:surgery*