Hanna M K
Urology. 1986 Apr;27(4):340-2. doi: 10.1016/0090-4295(86)90310-9.
In babies born with bladder exstrophy, the umbilicus is caudally displaced, and attached to the upper margin of the exstrophied bladder. Reconstructive surgery often removes the navel. A surgical technique for preservation and repositioning of the umbilicus is presented.