THE BASIS FOR MANAGEMENT OF URETERAL CALCULI

Abstract
The management of ureteral calculi still appears to be the controversial point in urology, as may be judged from the recent widely divergent reports by various workers. Bumpus and Thompson,1in the analysis of 1,001 cases treated at the Mayo clinic, report that calculi were removed surgically in 480 cases. In 250 cases the stone was situated in the lower third of the ureter. Barney and Chute2report a still higher operative incidence: 51.2 per cent in a series of 123 cases. Mathé3stated that in his opinion every stone measuring more than 0.6 cm. in diameter should be removed by operation. On the other hand, Squires,4in his report on the work done at the Crowell clinic, cites 87.13 per cent of stones removed by cystoscopic manipulations in a series of 606 cases. Some years ago I made an attempt to rationalize the basis for