title: MR imaging of osteoid osteoma.
abstract: An osteoid osteoma was detected in a young boy with a classic history for this lesion. Plain radiography was not helpful but ultrasound and magnetic resonance imaging demonstrated the tumor nidus.
mesh_terms: D002648:Child; D005266:Femoral Neoplasms / Q000175:diagnosis*; D005269:Femur / Q000000981:diagnostic imaging / Q000473:pathology; D006801:Humans; D009682:Magnetic Resonance Spectroscopy; D008297:Male; D010017:Osteoma, Osteoid / Q000175:diagnosis*; D011877:Radionuclide Imaging; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography