Unusual manifestation of an osteoid osteoma of the capitate.
A case of osteoid osteoma of the capitate in a 29-year-old male is reported. The patient suffered from unspecific clinical findings and a 3-year history of uncharacteristic wrist pain. Conventional radiographs of the wrist revealed a circumscribed sclerosis in the proximal part of the capitate bone beside a diffuse demineralisation of the carpal bones. Magnetic resonance imaging demonstrated a circumscribed, tumorous lesion with marked enhancement after IV administration of contrast agent and a highly calcified nidus, which was sharply demarcated by a small rim of granulation tissue from the surrounding spongious bone. Based on MRI findings, the diagnosis of an osteoid osteoma was established and confirmed after operation and histologic analysis.
Kreitner
K F
KF
Department of Radiology, Johannes Gutenberg University Mainz, Langenbeckstrasse 1, D-55131 Mainz, Germany.
Löw
R
R
Mayer
A
A
D000328:Adult; D001859:Bone Neoplasms / Q000175:diagnosis*; D002348:Carpal Bones / Q000473:pathology*; D003287:Contrast Media; D019786:Gadolinium DTPA; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D010017:Osteoma, Osteoid / Q000175:diagnosis*
D003287:Contrast Media; D019786:Gadolinium DTPA