18F-PSMA PET/CT 显像下的原发性前列腺间质肉瘤。
Primary Prostatic Stromal Sarcoma on 18 F-PSMA PET/CT.
机构信息
Department of Nuclear Medicine, Chinese PLA General Hospital, Beijing, China.
出版信息
Clin Nucl Med. 2024 Oct 1;49(10):956-958. doi: 10.1097/RLU.0000000000005389. Epub 2024 Jul 31.
Primary prostatic stromal sarcoma is extremely rare. Serum PSA is usually normal. Here, we report a case of primary prostatic stromal sarcoma in a 23-year-old man. 18 F-prostate-specific membrane antigen (PSMA) PET/CT showed prostate mass and multiple low-density lesions in the liver with high PSMA expression. However, after chemotherapy, the level of PSMA expression in the prostate mass decreased, and PSMA expression lesions in the liver disappeared.
原发性前列腺基质肉瘤极为罕见。血清 PSA 通常正常。在此，我们报告 1 例 23 岁男性原发性前列腺基质肉瘤。18 F-前列腺特异性膜抗原（PSMA）PET/CT 显示前列腺肿块和肝脏内多个伴 PSMA 高表达的低密度病变。然而，化疗后，前列腺肿块中 PSMA 表达水平降低，肝脏中 PSMA 表达病变消失。
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