患儿,男性,5岁。主因间断性无痛性肉眼血尿伴排尿困难半年,于1988年10月24日入院。在当地曾按“肾炎”治疗不见好转。体检:一般情况佳,心肺未见异常。双肾区无压痛及叩击痛。膀胱区空虚,但有轻度深压痛。化验检查:血常规在正常范围。尿常规有微量蛋白,镜检可见多数脓球及红细胞。尿素氮正常。尿路平片示膀胱区有-1.2×1.2厘米,密度增高的结石阴影,诊断膀胱结石。于10月27日在静脉复合麻醉下拟 Children, male, 5 years old. Mainly due to intermittent painless gross hematuria with dysuria for six months, in October 24, 1988 admission. In the local press “nephritis” treatment did not improve. Physical examination: the general situation is good, no abnormal heart and lung. Kidney area without tenderness and percussion pain. Bladder empty, but mild deep tenderness. Laboratory tests: blood in the normal range. Urine routine trace protein, microscopic examination showed the majority of pus and red blood cells. Normal urea nitrogen. Urinary tract plain film showed a -1.2 × 1.2 cm bladder area, increased density of the shadow of the stone, the diagnosis of bladder stones. On October 27 in intravenous anesthesia to be proposed