Solitary osteochondroma of the spine. Report of two unusual cases in children.
D000293:Adolescent; D002648:Child; D002812:Chondroma / Q000000981:diagnostic imaging*; D003050:Coccyx / Q000000981:diagnostic imaging*; D006801:Humans; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging*; D008297:Male; D011859:Radiography; D013125:Spinal Neoplasms / Q000000981:diagnostic imaging* / Q000556:secondary