膀胱原发性淋巴上皮瘤样癌(LELC)非常罕见,国内尚未见报道。该病形态特殊,手术切除加辅助性化疗效果好,与膀胱其他类型未分化癌相比恶性程度低。1病历介绍患者,男,74岁,诉夜尿增多及尿频、尿急、排尿不尽、尿线变细10 a,拟诊前列腺增生,予“抑尿通”等药物及射频等治疗。近1 a Primary urothelial carcinoma of the bladder (LELC) is very rare, has not been reported in China. The disease is a special form of surgical resection plus adjuvant chemotherapy is good, compared with other types of undifferentiated bladder cancer low degree of malignancy. A medical history of patients, male, 74 years old, complained of increased nocturia and frequent urination, urgency, urination, urinary tract thinning 10 a, proposed diagnosis of benign prostatic hyperplasia, to “inhibit urination” and other drugs and radio frequency therapy. Nearly 1 a