Standard intravenous urography is not a reliable method of demonstrating pelviureteric junction obstruction. Frusemide urography enables 3 groups to be defined on the basis of the percentage increase in the size of the renal pelvis after the diuretic. These groups are clinically significant.
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| http://dx.doi.org/10.1111/j.1464-410x.1979.tb03575.x | DOI Listing |
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