الفهرس 
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Abstract
Radical cystectomy with pelvic lymphadenectomy is the standard treatment for muscle-invasive bladder cancer (stage T2 and above).Long-term, disease-free survival rates of up to 70 percent can be achieved if pathology shows no extravesical diseases.
Almost of patient undergo Radical cystectomy require urinary diversion, The goals of urinary diversion after cystectomy have evolved from simple diversion and protection of the upper tracts to functional and anatomic restoration as close as possible to the natural preoperative state.
Ileal conduit diversion remains the method most commonly used in conjunction with radical cystectomy for reconstructing the urinary tract. It is technically easier than continent reconstruction. However, several studies confirm a high incidence of upper urinary tract complications.
For continent urinary diversion, a tapered or stapled ileal segment or the appendix should be used as the outlet. Most reconstructive surgeons have abandoned the continent Kock ileal reservoir, largely because of the significant complication rate associated with the intussuscepted nipple valve.
The orthotopic reservoir should be considered today the gold standard with which other forms of diversion are compared. Orthotopic diversion can be safely offered to both male and female patients undergoing cystectomy In addition, data suggest that an option of a neobladder diversion may decrease the physician’s reluctance to perform cystectomy earlier for bladder cancer at a more curable stage and increase the patient’s acceptance ,With this form of diversion, we hope that patients with bladder cancer as well as their physicians may be encouraged toward earlier and more aggressive forms of therapy with cystectomy, when cure and ultimately survival are greatest.
After urinary diversion close follow up to the patient help to detect early and late complications and give us the chance to manage any of these complications.