Kano Kana, Ishiyama Ryo, Yagisawa Takafumi, Odani Keiko, Kanemitsu Izumi, Kobayashi Hiroshi, Oda Hideaki
The Department of Urology, Saitama-ken Saiseikai kurihashi Hospital.
The Department of Pathology, Tokyo Women's Medical University.
Hinyokika Kiyo. 2022 Feb;68(2):53-57. doi: 10.14989/ActaUrolJap_68_2_53.
An 81-year-old male was referred to our department with a tumor in the left wall of the urinary bladder, which was detected by contrast-enhanced abdominal computed tomographic scan (CT), incidentally. Cystoscopy revealed a smooth non-papillary tumor. The patient underwent transurethral resection (TUR) of tumor. An immunohistochemical study showed the tumor cells positively stained for chromogranin A, synaptophysin, CD56, and Ki67. The Ki67 index of the tumor was ＞0.5%, which confirmed the diagnosis of a pure carcinoid tumor. There was no recurrence of bladder tumor and no metastasis after the primary treatment.
一名81岁男性因偶然通过腹部增强计算机断层扫描（CT）发现膀胱左壁有肿瘤而转诊至我科。膀胱镜检查显示为光滑的非乳头状肿瘤。患者接受了肿瘤经尿道切除术（TUR）。免疫组织化学研究显示肿瘤细胞嗜铬粒蛋白A、突触素、CD56和Ki67呈阳性染色。肿瘤的Ki67指数＞0.5%，确诊为纯类癌肿瘤。初次治疗后膀胱肿瘤无复发且无转移。
