Diuresis Urography and Pelvi-Ureteric Obstruction
The diagnosis of pelvi-ureteric junction (PUJ) obstruction may be straightforward but not infrequently there are cases which give rise to some doubt. With standard radiological techniques it is not always possible to be sure whether a significant degree of obstruction is present and this has led to the development of other methods of diagnosis. Urodynamic measurements (Whitaker 1973) provide accurate information about pressure/flow relationships but the test is open to criticism since it is invasive and carries a certain morbidity (Whitfield et al. 1976) and is not suitable for serial studies in an individual patient or for routine post-operative evaluation. Furthermore, the test is no guide to parenchymal renal function.
KeywordsHydrated Hydronephrosis Frusemide
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