Two cases of crossed ectopia of solitary kidney found in two boys are present. This rare anomaly has been accompanied by imperforate anus and inguinal hernia in one boy and by imperforate anus, urethrorectal fistula, cryptorchism, and penoscrotal and vertebral anomalies in the other. 21 cases have been collected and the present two patients appear to be the 22nd and 23rd cases reported in the world literature.
A man with a solitary bladder carcinoma suffered acute tubular necrosis following hydrostatic pressure therapy. The nephrotoxicity caused by antibiotics and/or the septicemic shock seems to be responsible. The animal experiment suggested changes in the technique: 1) the bladder should be overdistended via a Foley catheter with a rubber ballon at the tip to prevent a possible postoperative complication and 2) one should try to decrease rather than maintain the high intravesical pressure during overdistension to avoid bladder wall rupture. The overstretching of a blood vessel alone is quite sufficient to bring the anoxia upon the bladder tumor, which is verfied by the biophysical principle.
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