Osteonecrosis Mimicking Bone Metastasis in Femoral Head on 18F-FDG PET/CT: A Case Report

Autor: Sung Hoon Kim, Ik Dong Yoo, Kyu Ho Choi, Eun Ji Han, Eun Kyoung Choi, Jin Kyoung Oh
Rok vydání: 2010
Předmět:
Zdroj: Nuclear Medicine and Molecular Imaging. 45:68-71
ISSN: 1869-3482
1869-3474
DOI: 10.1007/s13139-010-0060-x
Popis: A 77-year-old woman underwent chemotherapy, radiotherapy, and brachytherapy for cervical cancer 9 years ago. On a follow-up (18)F-fluorodeoxyglucose (FDG) PET/CT image, focal FDG uptake was noted in a focal osteolytic lesion in the right femoral head. During magnetic resonance imaging, this lesion showed subchondral dark-signal-intensity rim on T1-weighted image and double line sign on T2-weighted image, suggestive of osteonecrosis. The lesion was pathologically confirmed as osteonecrosis after surgery. This case demonstrates that osteonecrosis of the femoral head may demonstrate focal FDG uptake mimicking bone metastasis.
Databáze: OpenAIRE