Solitary Fibrous Tumor of the Prostate Shown on FAPI PET/CT.

Yang, Tianshuo; Zhu, Ronghua; Guo, Zhongying; Niu, Xiaobing; Tao, Weijing · Clin Nucl Med · 2023

case_report · Level V

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Abstract

Solitary fibrous tumors are fibroblast tumors that occur mainly in the peritoneum, extremities, and pleura. Here, we report the MRI, FDG PET/CT, and FAPI PET/CT findings of a rare prostate solitary fibrous tumor. A 57-year-old man was pathologically diagnosed with a solitary fibrous tumor. To detect any systemic metastases or other primary lesions, the patient underwent FDG PET/CT and FAPI PET/CT examination sequentially. Mild FDG uptake was observed in the primary prostatic lesion, but there was a significant uptake of FAPI in the prostate. This case highlighted that FAPI PET/CT may outperform FDG PET/CT in identifying solitary fibrous tumors.

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