Renal atrophy involving all or part of one or both kidneys was found in 10 children with renal vein thrombosis who had been given conservative treatment. This appearance is nonspecific and can be found in any condition which disturbs the renal parenchyma. However, in a significant number of patients calcification produced a pathognomonic radiological pattern. Awareness of these late radiological manifestations may help in recognizing those cases in which renal vein thrombosis went unnoticed in the neonatal period and the patient is now found to have a perplexing radiological appearance.
The clinical and radiologic findings in two infants are presented, one with unilateral hydrometrocolpos and ipsilateral renal agenesis or hypoplasia and the other with ureteral duplication with one of the ureters opening into a cystically dilated seminal vesicle. The excretory urograms of both infants suggested ectopic ureterocele. Further radiologic investigation, including lateral views of the bladder, led to the correct preoperative diagnosis. Both conditions are relatively rare, and their appearance simulating ectopic ureteroceleis even more uncommon.
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