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Radiology, Vol 167, 397-399, Copyright © 1988 by Radiological Society of North America
ARTICLES |
L Barber, MA Amendola, HM Pollack and KN Van Arsdalen
Department of Radiology, University of Pennsylvania School of Medicine and Hospital, Philadelphia 19104.
Routine follow-up urography demonstrated pseudoureteroceles caused by impacted calculus fragments in the distal portion of the ureter in five patients who had undergone extracorporeal shock wave lithotripsy of renal calculi 4-6 weeks before. Although all five patients showed some degree of obstruction at the time of follow-up urography, four were asymptomatic. Either small isolated fragments (two patients) or a column (steinstrasse) of fragments (three patients) was responsible for the abnormality. Two patients required further intervention to relieve the obstruction.
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