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Literature DB >> 24899980

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

Kyu-Ho Choi¹, Jin Kyoung Oh¹, Sung Hoon Kim², Ik Dong Yoo¹, Eun Kyoung Choi¹, Eun Ji Han¹.

Abstract

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.

Entities: Chemical Disease Species

Keywords: 18F-fluorodeoxyglucose; Avascular necrosis; Bone metastasis; Femoral head; Positron emission tomography/computed tomography

Year: 2010 PMID： 24899980 PMCID： PMC4042948 DOI： 10.1007/s13139-010-0060-x

Source DB: PubMed Journal: Nucl Med Mol Imaging ISSN： 1869-3474

13 in total

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3 in total