الفهرس 
Review of LiteratureOnly 14 pages are availabe for public view
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Abstract
SUMMARY
Among cancers affecting both sexes, bladder cancer ranks as the fourth most prevalent cancer globally, and in the top 5 in prevalence in individual countries of all income levels and all regions enbloc resection approach of bladder tumors has a great effect in staging bladder tumors that help in early management of bladder tumors.
Aim of the Work is to review systematically studies whether en bloc resection of non-muscle invasive bladder cancer (NMIBC) could improve the identification of muscularis mucosa (MM) and muscle properia and substratification and identification of the T1 substages
We searched PubMed, Google scholar search engine, Cochrane database of systematic reviews, EMBASE and science Direct, using the following keywords “bladder tumors, enbloc resection, transurethral resection, ”. The mentioned databases were searched for studies published during the last five years
Total number of patients in included studies was 1940 of which 955 (49.2%) underwent en bloc resection and 985(50.8%) underwent conventional TURBT. after analyzing available data, en bloc resection has superiority in less recurrence rate and less hospital stay and higher in staging rate.
CONCLUSION
In our review, ERBT show that it is an effective approach with some advantages over cTURBT regarding the treatment of NMIBC. This review revealed that hospitalization time and staging rate are superior in patients treated with ERBT than cTURBT, and complication rate and 24-month recurrence rate were also lower using ERBT. Accumulating evidence indicates that ERBT improves the quality of the surgical specimens and decreases the ReTUR frequency. Based on the previous evidence we recommend that , ERBT should be adapted by more surgeons in the treatment of non muscle invasive bladder tumors .