[Treatment of megaureter in children by Cohen's operation combined with ureteral reconstruction. 81 reconstructed and reimplanted ureters].

From January 1973 to June 1983, 69 children have been operated on: remodeling of a primary mega-ureter and reimplantation of the tailored ureter with the Cohen technique. 81 ureters have been treated this way. 68 children have been followed and the results of this operation are evaluated on 80 ureters. There are 65 satisfactory results, 5 mediocre and 10 bad (5 stenosis, 5 reflux); another operation has been done for these cases: 3 nephrectomy, 7 conservative treatments have been successful.