—Hunner26 finds that the presence of a stone in the ureter or kidney is presumptive evidence of coexistent ureteral stricture. Further ureteral strictures are usually bilateral and due to blood borne infection. These observations help to explain "silent" stone, renorenal reflex, calculus anuria with a stone obstructing only one side, and the development of bilateral stone. Dilatation of the stricture will often relieve the patient of symptoms even though the stone is allowed to remain. When the stricture is dilated and adequate drainage provided marked improvement in renal function will take place and in serious cases render operation safer. This is particularly the case when the stone is bilateral.Goldstein,27 by making a series of roentgenograms following cystoscopy and the injection of an opaque medium into the renal pelvis, made some interesting observations. After injecting the medium he removed the catheter and the usual pyelogram was made. A
SCHOLL AJ, JUDD ES, KEYSER LD, FOULDS GS, VERBRUGGE J. A REVIEW OF UROLOGIC SURGERY. Arch Surg. 1926;12(4):928–948. doi:10.1001/archsurg.1926.01130040141008
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