During a 9-year period diversion was performed in 48 patients by an antireflux ureteroileal anastomosis. Followup was possible in 30 patients (57 renal units). Among these 57 ureteroileal anastomoses only 3 cases of stenosis (6 per cent) and 11 cases of reflux (less than 20 per cent) were observed. These results are roughly comparable to those with colon conduits. The 30 patients included 2 in whom the antireflux anastomosis formed part of a continent ileal stoma. The method is described and the results are discussed.
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