An Orthotopic Neobladder Is Surgically Created as a Bladder Substitute

An orthotopic neobladder is surgically created as a bladder substitute after a cystectomy,prostatectomy,or hysterectomy is performed for bladder cancer.Bladder substitution relies on meticulous dissection with preservation of the urinary sphincter and neurovascular bundles,as well as a watertight urethral anastomosis.Also termed the "Le Bag continent diversion," what segments of the bowel and/or small intestine are used in this technique to create the neobladder?

A) Segment of sigmoid colon
B) Right colon and ileum
C) Proximal right colon segment with cecum
D) Transverse colon

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