From the Departments of *Nuclear Medicine, and †Haematology, ‡Pathology North, and §Department of Radiation Oncology, Royal North Shore Hospital, Sydney, New South Wales, Australia.
Clin Nucl Med. 2016 Jun;41(6):500-1. doi: 10.1097/RLU.0000000000001169.
Ga prostate-specific membrane antigen (PSMA) PET/CT is a new imaging technique that is significantly more sensitive to prostate cancer lesions than other conventional imaging modalities. Various other benign and malignant neoplasms may also express PSMA and show uptake on PSMA PET/CT scan. We report a case of 66-year-old man who had a PSMA PET/CT scan for restaging of prostate carcinoma. A PSMA-avid left femoral lymph node was identified. Subsequent biopsy confirmed the diagnosis of follicular lymphoma. It is important to be aware of this possibility to avoid scan misinterpretation. Biopsy of any atypical or clinically unexpected lesions should be considered.
前列腺特异性膜抗原（PSMA）PET/CT 是一种新的成像技术，与其他传统成像方式相比，对前列腺癌病灶的敏感性显著更高。其他各种良性和恶性肿瘤也可能表达 PSMA，并在 PSMA PET/CT 扫描中摄取。我们报告了 1 例 66 岁男性，因前列腺癌进行 PSMA PET/CT 分期。发现 PSMA 摄取的左侧股部淋巴结。随后的活检证实了滤泡性淋巴瘤的诊断。了解这种可能性很重要，以避免扫描误读。应考虑对任何不典型或临床意外的病变进行活检。
