原发性巨输尿管症较少见。1923年Caulk首先描述本病。据不完全统计,迄今为止,国外主要文献报告约300余例。我院于1977年连续收治2例报告如下,并复习文献对本病的发病概况,病固,诊断及治疗进行讨论。例1 赵××,男,40岁,住院号178297,于1977年9月8日以右腰部疼痛一月余入院。患者于1977年7月底感右腰部隐痛,不久,转为绞痛,伴全身出汗,面色苍白。曾住某院经检查诊断为右肾结石,右输尿管下端梗阻原因待查转来我院。查体;全身无特殊。两肾未触及,两肾区无叩压痛,腹部未扪到肿块,膀胱 Primary giant ureter is less common. In 1923 Caulk first described the disease. According to incomplete statistics, so far, the major foreign literature reports about 300 cases. Our hospital in 1977 consecutive cases of 2 cases were treated as follows, and review the literature on the disease incidence, disease solid, diagnosis and treatment were discussed. Example 1 Zhao XX, male, 40 years old, hospital number 178297, was admitted to the hospital with a right lower back pain on September 8, 1977, for more than one month. At the end of July 1977, the patient felt a right lower back pain, and soon she became angina, sweating with the whole body and pale. Have lived in a hospital diagnosed by the right kidney stones, obstruction of the right ureteral obstruction to be transferred to our hospital. Physical examination; body no special. Two kidneys did not touch, two kidney area without knock pressure, the abdomen not palpable mass, bladder