Abstract: [
Abstract ] Objective Tocomparethesafetyandefficacybetweentransurethralbladder
tumorenucleationbyneedleshapeelectrodeandconventionaltransurethralresectionofbladder
tumor.Methods Twenty-eight patients with non-muscle invasive bladder cancer were
randomizedtoreceiveconventionaltransurethralresectionofbladdertumorortransurethral
bladdertumorenucleation by needleshape electrode.Operation time , complications , and
postoperativerecurrenceat3 monthswerecompared.Results Theaverageoperationtimein
needleshapeelectrodegroup werelongerthanconventionaltransurethralresectionofbladder
tumorgroup ( P <0.05 ) .Therewerenoseriouscomplicationsinbothgroups.Inneedleshape
electrodegroup , theincidenceofobturatornervereflexwassignificantlylower
, andallspecimens
wereabletobediagnosedaccuratelyinpathology.Norecurrenceswerefoundinbothgroups3
monthspostoperatively.Conclusion Transurethralbladdertumorenucleationbyneedleshape
electrodeissafeandeffective , furthermore , specimenscanbediagnosedaccuratelyinpathology ,
whichisimportantforprognosisandfollowingtreatment.

Key words: urinary bladder neoplasms； conventional transurethral resection of bladder tumour, needle shape electrode