Intense PSMA Uptake in Solitary Fibrous Tumor of the Seminal Vesicle.

Abstract: Solitary fibrous tumor arising from the seminal vesicle is very rare. We describe 18 F-PSMA-1007 PET/CT findings in a case of prostate adenocarcinoma with a solitary fibrous tumor of the left seminal vesicle. The solitary fibrous tumor showed intense 18 F-PSMA-1007 uptake mimicking metastatic prostate adenocarcinoma. This case indicates that solitary fibrous tumor may cause false-positive result when using PSMA PET in staging of prostate cancer.
Competing Interests: Conflicts of interest and sources of funding: none declared. Conflicts of interest and sources of funding: The authors have no conflicts of interest to declare. This work was supported by “234 Discipline Climbing Plan” of the First Affiliated Hospital of Naval Medical University (grant no. 2019YPT002 and 2020YPT002) and The First Affiliated Hospital of Naval Medical University (Shanghai Changhai Hospital) “Guhai Plan in the 14th Five-Year Plan Period” (grant no. GH145XKQ-03).
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