Fig. 1

The N-shaped orthotopic ileal neobladder. Large arrow Intact afferent isoperistaltic segment, acting as an active anti-reflux mechanism. The ureters are anastomosed to this segment in an end-to-end manner. Arrowhead Three antimesenterically opened ileal segments, creating the N-shaped pouch. Small arrow The lowest point of the pouch, forming the urethral anastomosis