Pitfall in 68 Ga-PSMA PET/CT Interpretation : 68 Ga-PSMA Excreted Through the Biliary System.

Liu, Ya; Wang, Kan; Pu, Jingguang; Ding, Haoyuan; Huang, Zhanwen · Clin Nucl Med · 2025

case_report · Level V

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Abstract

68 Ga-Prostate-Specific Membrane Antigen (PSMA) is excreted mainly through the urinary system, but also partly through biliary system. Herein, we present such a case in a man with prostate cancer. The 68 Ga-PSMA PET/CT revealed increased uptake of 68 Ga-PSMA in bone metastases. Besides, increased 68 Ga-PSMA uptake in the common hepatic duct and common bile duct was observed, which resolved spontaneously in the delayed imaging.

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