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FDG-PET in a case of multiple bone metastases of gastric cancer
Takako Nakai1, Chio Okuyama, Takao Kubota
1Department of Radiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine. tootuka@koto.kpu-m.ac.jp
Abstract:
F-18 2-fluoro-2-deoxy-D-glucose (FDG) positron emission tomography (PET) is useful for surveys to detect bone metastasis because of its greater specificity than bone scintigraphy. However, FDG-PET is also known to yield false-positive results in acute fractures and inflammatory lesions, and distinguishing between benign and malignant lesions is difficult, even when semiquantitative methods are used. We report a case of multiple bone metastases of gastric cancer. One of the bone lesions that was positive for FDG uptake was benign, suggesting that FDG-PET can yield false-positive results.
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