Reverse Liver Spleen Uptake on [68Ga]Ga-PSMA-11 PET/CT

alexandrossfakianakis shared this article with you from Inoreader Reverse Liver Spleen Uptake on [68Ga]Ga-PSMA-11 PET/CT via Clinical Nuclear Medicine - Published Ahead-of-Print An 80-year-old man underwent [68Ga]Ga-PSMA-11 PET/CT for staging of high-risk prostate cancer. Homogeneously increased liver uptake, more than 3-fold the splenic uptake, was seen. There was no hepatic lesion evident on CT. A higher liver to splenic uptake is more typical of some 18F-labeled PSMA PET/CT but unusual in 68Ga-labeled PSMA PET/CT scan. Further evaluation revealed a history of impaired renal function, bilateral renal atrophy, relatively decreased renal uptake of [68Ga]Ga-PSMA-11, and prominent bowel activity. We concluded that impaired renal function and subsequent poor excretion resulted in increased hepatic excretion, hence the unusual increased homogeneous hepatic uptake. View on Web

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