title: Case report 249. Osteoblastoma with secondary aneurysmal bone cyst of the frontal bone.
mesh_terms: D001845:Bone Cysts / Q000150:complications / Q000000981:diagnostic imaging* / Q000473:pathology; D002648:Child; D005624:Frontal Bone / Q000000981:diagnostic imaging / Q000473:pathology; D006801:Humans; D008297:Male; D010017:Osteoma, Osteoid / Q000150:complications / Q000000981:diagnostic imaging* / Q000473:pathology; D011859:Radiography; D012888:Skull Neoplasms / Q000150:complications / Q000000981:diagnostic imaging* / Q000473:pathology