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FDG PET/CT in a Case With Cellular Schwannoma of the Kidney
Zhongfei Yu1, Jian Zhang1, Aisheng Dong2
1From the Shanghai Universal Medical Imaging Diagnostic Center.
Abstract:
Schwannoma of the kidney is exceedingly rare. We describe contrast-enhanced CT and FDG PET/CT findings in a case with renal cellular schwannoma. Contrast-enhanced CT showed the enhancing tumor was located in the anterior middle portion of the left kidney, encasing the renal vessels and compressing the renal pelvis. The tumor showed inhomogeneous FDG uptake with SUV max of 8.6 mimicking renal cell carcinoma. This case indicates renal schwannoma should be included in the differential diagnosis of FDG-avid renal lesions.
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