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World J Gastroenterol. 2009 Aug 7;15(29):3691-3.

Xanthogranulomatous cholecystitis mimicking gallbladder carcinoma with a false-positive result on fluorodeoxyglucose PET.

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1
Department of Surgery, Kanazawa Social Insurance Hospital, Kanazawa Ishikawa, Japan. i.makino@staff.kanazawa-u.ac.jp

Abstract

Recently, several reports have demonstrated that fluorine-18 fluorodeoxyglucose positron emission tomography (FDG-PET) is useful in differentiating between benign and malignant 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.

PMID:
19653352
PMCID:
PMC2721248
[Indexed for MEDLINE]
Free PMC Article
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