FDG-PET/CT and CT findings of a benign solitary fibrous tumor of the kidney: correlation with pathology

Nakajima, Reiko and Abe, Koichiro and Kondo, Tsunenori and Nagashima, Yoji and Kimura, Ken and Fukushima, Kenji and Momose, Mitsuru and Kondo, Chisato and Tanabe, Kazunari and Sakai, Shuji (2015) FDG-PET/CT and CT findings of a benign solitary fibrous tumor of the kidney: correlation with pathology. Asia Oceania Journal of Nuclear Medicine and Biology, 3 (2). pp. 116-119.

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Abstract

Herein, we report the F-18 fluorodeoxyglucose (18F-FDG) positron emission tomography (PET)/computed tomography (CT) findings of a benign solitary fibrous tumor (SFT) of the kidney. The patient was a 63-year-old woman with a mass in the right kidney (10Ã�9.7 cm), incidentally found on CT images. The CT scan showed a lobulated tumor arising from the hilum of the right kidney. The tumor consisted of two components with different patterns of enhancement. Most of the tumor demonstrated moderate enhancement from the corticomedullary to nephrographic phase. A small nodular component at the caudal portion of the tumor showed avid enhancement in the corticomedullary phase and rapid washout in the nephrographic phase in contrast-enhanced CT. FDG-PET/CT was performed and showed weak FDG accumulation (SUVmax=2.30 and 1.91 in the main and small caudal components). Although renal cell carcinoma was preoperatively diagnosed, histopathological examination revealed renal SFT, with no malignant potential. Therefore, when a renal tumor with contrast-medium enhancement and low FDG accumulation is demonstrated, SFT should be considered as a differential diagnosis in addition to renal cell carcinoma. Â

Item Type: Article
Subjects: WN Radiology . Diagnostic Imaging
Divisions: Journals > Asia Oceania J Nuclear Medicine & Biology
Depositing User: AOJNMB AOJNMB
Date Deposited: 19 Sep 2017 13:43
Last Modified: 19 Sep 2017 13:43
URI: http://eprints.mums.ac.ir/id/eprint/1106

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