Determination of the cause of unilateral renal hematuria can occasionally pose a problem that will challenge the diagnostic acumen of the most experienced urologist. In such cases, investigation of the genitourinary tract should be relentlessly pursued until the cause has been established, if possible, and appropriate therapy begun. The following cases illustrate the difficulty that can be encountered in arriving at the correct diagnosis and represent the types of obscure pathologic conditions that can cause unilateral renal hematuria.
Report of Cases
A 54-year-old white man, first seen on Jan 17, 1946, complained of almost continuous bleeding since sudden onset of total, gross, painless hematuria 18 months previously. During this period, studies had been made on three occasions to determine the cause of the bleeding, each time it was determined that the blood came only from the right ureteric orifice. Studies of the right kidney and ureter revealed no