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脐尿管系尿囊腔退化,闭锁而形成的一个纤维肌索,位于脐与膀胱顶部之间。它可产生感染,亦可发生原发肿瘤。在西方国家中,脐尿管癌占膀胱肿瘤的0.07～0.70%,在日本占0.55～1.2%。作者报告了三例酷似膀胱肿瘤的脐尿管脓肿,以往未见类似报道。该病在临床上主要表现为下腹部肿块,CT扫描和超声波检查均可显示位于膀胱前或上部的肿块,膀胱镜检亦可见到膀胱顶部有向腔内突出的肿块,其表面被水肿的粘膜覆盖。三例术前都曾被误诊为脐尿管癌,其中两例做了膀胱部分切除术,另一例作了根治性膀胱切除术。切下的标本作多处病检均未发现癌细胞,仅见膀胱壁明显增厚,以及坏死性溃阳和脓肿形成,
Department of the umbilical cord allantoic cavity degradation, atresia and the formation of a fiber muscle cord, located between the navel and the top of the bladder. It can produce infection, can also occur in primary tumors. In western countries, urachal carcinoma accounts for 0.07 to 0.70% of the bladder tumors and 0.55 to 1.2% in Japan. The authors report three cases of bladder abscess resembling bladder tumors, which have not been reported in the past. The disease in the clinical manifestations of the lower abdomen mass, CT scan and ultrasound examination can be displayed in front of the bladder or upper tumor, cystoscopy can also be seen at the top of the bladder to the cavity protruding mass, the surface of the edema mucosa cover. Three cases had been misdiagnosed as urachal carcinoma before surgery, two of them had a partial resection of the bladder and the other had a radical cystectomy. The specimens were cut for multiple pathological examination were not found in cancer cells, only the bladder wall was significantly thicker, and necrotic ulcer and abscess formation,