title: Equivocal pelvi-ureteric obstruction.
abstract: A series of 40 studies have been used to assess whether or not there is obstruction in the pelvi-ureteric region in 27 kidneys. The perfusion test which is discussed has provided an answer in all cases where the technique was possible and allowed a logical decision to be taken concerning management.
mesh_terms: D000328:Adult; D002648:Child; D006801:Humans; D007668:Kidney / Q000000981:diagnostic imaging; D007682:Kidney Pelvis; D008297:Male; D010477:Perfusion / Q000295:instrumentation / Q000379:methods; D011859:Radiography; D014517:Ureteral Obstruction / Q000175:diagnosis*