Benign tumors.
D001845:Bone Cysts / Q000000981:diagnostic imaging; D002357:Cartilage Diseases / Q000000981:diagnostic imaging; D005870:Giant Cell Tumors / Q000000981:diagnostic imaging; D006391:Hemangioma / Q000000981:diagnostic imaging; D018219:Histiocytoma, Benign Fibrous / Q000000981:diagnostic imaging; D006801:Humans; D010017:Osteoma, Osteoid / Q000000981:diagnostic imaging; D011859:Radiography; D013125:Spinal Neoplasms / Q000000981:diagnostic imaging*; D013131:Spine / Q000000981:diagnostic imaging*