患者男,30岁,农民。以发作性左侧腰痛伴血尿3年入我院。入院后查一般情况好,消瘦面容,腹软、未触及包块,左肾区叩击痛阳性。B超示左肾13.6cm×6.1cm大小,右肾8.0cm×4.3cm大小,左肾下极见一直径约2.1cm大小椭圆形结石,静脉肾盂造影示双肾显影良好,肾盂肾盏变形,两侧下组肾盏向内靠拢,考虑为先天性双肾畸形,马蹄形肾可能。于1997年10 Male patient, 30 years old, farmer. To episodes of left lumbago with hematuria into our hospital for 3 years. Check the general situation after admission, thin face, belly soft, not touched the mass, the left kidney area percussion pain positive. B ultrasound showed the size of the left kidney 13.6cm × 6.1cm, the size of the right kidney 8.0cm × 4.3cm, the diameter of the left kidney is about 2.1cm diameter oval stones, intravenous pyelography showed good renal development, renal pelvis deformity, On both sides of the next lower body calyces closer to consider the congenital deformity of the kidneys, horseshoe-shaped kidney may. In 1997 10