From the Department of Nuclear Medicine, Division of Diagnostic Imaging.
Department of Interventional Radiology, Division of Diagnostic Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX.
Clin Nucl Med. 2023 Dec 1;48(12):1071-1072. doi: 10.1097/RLU.0000000000004876. Epub 2023 Oct 23.
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.
我们在此提出 PSMA PyL PET/CT 分期中潜在的陷阱。在这个病例中，中骨盆有一个大的非 PSMA 浓聚的囊性结构，可能代表前列腺切除术后的淋巴囊肿，被误诊为膀胱，导致移位的和新月形的膀胱被认为是复发。随后，活检和回顾性图像分析证实了移位的膀胱内含有生理性排泄的放射性药物。
