1978 Volume 69 Issue 4 Pages 485-492
Despite the fact that the number of reported cases of ureteral tumors has increased considerably during the last two decades throughout the world, cases of bilateral ureteral tumor remain to be rare.
A case of bilateral asynchronous ureteral tumor in 64 years old male was reported together with the discussion on 34 previously reported cases of bilateral ureteral tumor (17 synchronisms, 11 asynchronisms and 6 unknowns).