Postoperative diagnosis: hydronephrotic kidney / megaureter: 1 case; tuberculous nonfunctioning kidney: 2; pyonephrosis: 1; atrophic kidney / ureteral calculus: 6; atrophic kidney / distal ureteral stone, hypertension: 1; atrophic kidney / hypertension: 2; ectopic atrophic kidney: 1; infected hydronephrosis / distal ureteral stone: 1; atrophic kidney / kidney duplication: 1; hydronephrosis / UPJ obstruction: 9; atrophic kidney: 3; lithiasic nonfunctioning kidney: 2; hydronephrosis: 9; chronic pyelonephritis / previous ureteral calculus: 1.