Osteoid osteoma of the atlas.
D001270:Cervical Atlas; D002648:Child; D006801:Humans; D008297:Male; D010017:Osteoma, Osteoid / Q000000981:diagnostic imaging* / Q000601:surgery; D011877:Radionuclide Imaging; D013125:Spinal Neoplasms / Q000000981:diagnostic imaging* / Q000601:surgery