Prostatic Utricle Cysts as a Potential Pitfall in PSMA PET/CT Interpretation.
case_report · Level V
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- Record sourced from PubMed, PMID 38914051.
- Also identified by DOI 10.1097/RLU.0000000000005340.
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Abstract
A 60-year-old man with T2aN0M0 prostate cancer underwent intensity-modulated radiotherapy targeting the prostate and seminal vesicles. Experiencing biochemical recurrence after 6 years, 68 Ga-PSMA-11 PET/CT revealed focal radioactivity in the posterior midline of the prostate, identified as a prostatic utricle cyst on subsequent MRI. Similar findings appeared in a previous 18 F-piflufolastat PET/CT, with negative biopsy results. The patient then received intensity-modulated radiotherapy directed to 2 PSMA-avid pelvic nodes and leuprolide acetate, achieving an undetectable PSA in 4 months. This case highlights a potential pitfall in PSMA PET interpretation associated with prostatic utricle cysts.
Medical subject headings
- Positron Emission Tomography Computed Tomography
- Cysts