Ureteral Metastasis From Prostate Cancer: A PSMA PET Pitfall.

A 72-year-old man with a history of prostate adenocarcinoma initially managed by radical prostatectomy and salvage radiation therapy underwent resection of a left vas deferens recurrence identified on PSMA PET. Despite an initial response, PSA failed to fall below 3.5 ng/L, prompting re-evaluation with PSMA PET/CT: a left distal hydroureter with presumed physiologic urine activity remains despite diuretic administration. Upon scrutiny of the prior PSMA PET/CT and diagnostic CTs, the distal ureteral uptake matched a subtle circumferential area of enhancing mild ureteral thickening. Pathological review after left uretectomy confirmed metastatic prostate cancer.

Citation

Guillaume Chaussé, Brian Skinnider, Juanita Crook, Peter Black, Gad Abikhzer, Stephan Probst. Ureteral Metastasis From Prostate Cancer: A PSMA PET Pitfall. Clinical nuclear medicine. 2020 Sep;45(9):689-691

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PMID: 32558720

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