四岁小儿输尿管间嵴增生１例河南平顶山市妇幼保健院（４６７０００）李银华患儿男，４岁，三个月前因膀胱结石尿潴留，经治疗排出结石后仍反复多次无明显诱因尿潴留。Ｂ超及Ｘ线检查均未见结石，来诊。Ｂ超检查：双肾大小、形态及内部回声未见异常，双侧输尿管无扩张。膀... 4-year-old pediatric ureter crista hyperplasia 1 case Pingdingshan City, Henan Maternal and Child Health Hospital (467000) Li Yinhua Children male, 4 years old, three months ago due to urinary retention of bladder stones, after treatment of stones is still repeated several times without significant urinary retention . B-and X-ray examination were no stones, visit. B-ultrasound: kidneys size, shape and internal echo no abnormalities, bilateral ureteral expansion. bladder...