大静脈後尿管に合併したキサンチン結石およびキサンチン尿症の1例

概要

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A 5-year-old boy was first seen on April 10, 1973, with a complaint of gross hematuria and right flank pain. An x-ray examination revealed a retrocaval ureter with a non-opaque stone in the upper portion of the ureter. The stone was interpreted as a xanthine stone, because serum and urinary uric acid levels were very low and serum and urinary oxypurine levels were very high (Table 1). On October 1, 1974, he was operated upon. A chocolate-colored, smooth, oval and easily broken stone was removed from the right ureter which encircled the vena cava. The ureter was completely freed and restored to normal position with an end-to-end anastomosis. The stone consisting of 93.5% of xanthine measured 2 by 1.3 by 1 cm and weighed 2.3g showing many concentric rings on section. Post operative course was uneventful. He was discharged on October 22, 1974. Etiology of xanthine stone formation was briefly discussed.
社団法人日本泌尿器科学会の論文
1976-08-20