Renal Pelvis Immunoglobulin G4-Related Disease Mimicking Malignant Tumor: A Case of 18 F-FDG and 68 Ga-FAPI PET/CT Imaging.

Zhang, Zeyu; Liu, Yanfang; Zhang, Lu; Cheng, Chao; Zuo, Changjing · Clin Nucl Med · 2022

case_report · Level V

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Abstract

A space-occupying lesion in the left renal pelvis was found in a 56-year-old man. The patient voluntarily participated in a clinical trial of 68 Ga-FAPI in solid tumors. PET/CT images revealed an intense 18 F-FDG and 68 Ga-FAPI uptake in this lesion. Malignant tumor was suspected. The patient subsequently underwent laparoscopic partial nephrectomy. The postoperative pathological examination established the diagnosis of immunoglobulin G4-related disease.

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