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Ureter injury exam by a flexible ureterorenoscope at the end of RIRS

February 3, 2017

At the end of RIRS, I usually check whether there is a ureter injury or not during removal of ureteral access sheath. We can sometimes find a small ureteral stone which was ignored during the insertion of the ureteral access sheath. 


Here is a ureteral injury grade classified by professor Olivier Traxer.

[J Urol. 2013 Feb;189(2):580-4]



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