Pitfall of 18F-PSMA PyL PET/CT Imaging of a Displaced Urinary Bladder as Recurrent Prostate Malignancy
Sanjit O. Tewari,
Zeyad A. Metwalli,
Guofan Xu
Abstract:We herein present a potential pitfall in the setting of restaging PSMA PyL PET/CT. In this case, there is large non–PSMA-avid cystic structure in the mid pelvis, probably representing a postprostatectomy lymphocele, which was mistaken for the urinary bladder, resulting in the displaced and somewhat crescentic urinary bladder to be deemed recurrence. Subsequently, biopsy and retrospective review of images confirms displaced urinary bladder containing physiologic excreted activity.
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