Idiopathic hydronephrosis: diagnosis, management and outcome

The results of the diagnosis, management and treatment of 50 consecutive patients presenting with renal pelvic dilatation suggestive of pelviureteric junction obstruction are presented. Modern assessment methods were used to investigate both pre-operative status and also the results of management of the 37 obstructed and 13 non-obstructive patients. The role and influence of the new assessment techniques on clinical decision making are discussed.