患者男,50岁。腰部酸、胀、痛已十余年,近因症状加重入院。既往无腹部外伤、泌尿系疾患及类似家族病史。体检:腹部未触及肿块,双肾区无肿块及叩击痛。尿检查:蛋白(一),红细胞2～4/高倍,白细胞(一)。尿素氮17.6％,肌酐1.6mgmg％。B型超声波检查示肾内有多个细小强回声光点伴声影。腹部X线平片示双肾肾盏附近有散在的细小结石影。静 Male patient, 50 years old. Waist acid, swelling, pain has more than ten years, due to increased symptoms of admission. No past history of abdominal trauma, urological disorders and similar family history. Physical examination: the abdomen did not touch the lumps, no kidney mass and percussion pain. Urinalysis: protein (a), red blood cells 2 ~ 4 / high, white blood cells (a). Urea nitrogen 17.6%, creatinine 1.6mgmg%. B-mode ultrasound showed the kidneys have multiple small strong echo light spot with sound. Abdominal X-ray showed renal calculus near the scattered small stones. Static