本病是一种罕见的先天性肾小管扩张,呈海绵状。我院近年来遇到两例,现报告如下。例1 男,55岁,左腰痛伴肉眼血尿12天,于1985年3月23日入院。1976年无明显诱因左腰痛;曾两次从尿道中排出直径0.5cm结石1个。体验:T、P、R及BP正常。化验:尿蛋白(一),白细胞3～5个,红细胞8～10个。B型超声波检查见左肾盂部分周边可见多个团块状强回声伴声 The disease is a rare congenital tubulous dilatation, sponge-like. In recent years, our hospital encountered two cases, the report is as follows. Example 1 Male, 55 years old, left back pain with gross hematuria for 12 days and was admitted on March 23, 1985. There was no obvious incentive for left lower back pain in 1976; two urinary stones 0.5 cm in diameter were removed from the urethra. Experience: T, P, R and BP normal. Assay: Urinary protein (a), white blood cells 3 to 5, red blood cells 8 to 10. B-mode ultrasound showed some of the masses around the left renal pelvis can be seen with strong echo echo