Xanthogranulomatous cholecystitis mimicking gallbladder carcinoma with a false-positive result on fluorodeoxyglucose PET |
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Authors: | Isamu Makino Takahiro Yamaguchi Nariatsu Sato Toshiaki Yasui Ichiro Kita |
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Affiliation: | Isamu Makino, Takahiro Yamaguchi, Nariatsu Sato, Toshiaki Yasui, Ichiro Kita, Department of Surgery, Kanazawa Social Insurance Hospital, Kanazawa Ishikawa 920-8610, Japan |
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Abstract: | Recently, several reports have demonstrated that fluorine-18 fluorodeoxyglucose positron emission tomography (FDG-PET) is useful in differentiating between benign and mal ignant lesions in the gallbladder. However, there is a limitation in the ability of FDG-PET to differentiate between inflammatory and malignant lesions. We herein present a case of xanthogranulomatous cholecystitis misdiagnosed as gallbladder carcinoma by ultrasonography and computed tomography. FDG-PET also showed increased activity. In this case, FDG-PET findings resulted in a false-positive for the diagnosis of gallbladder carcinoma. |
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Keywords: | Fluorodeoxyglucose F18 Positron-emission tomography Xanthogranulomatous cholecystitis Gallbladder cancer |
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