Retroperitoneal transfer of a transverse rectus abdominis musculocutaneous flap for closure of a sacral radiation ulcer.

Closure of sacral wounds remains a challenge, especially when dealing with previously irradiated tissue. A report of a chronic sacral radiation ulcer successfully closed with the retroperitoneal transfer of a transverse rectus abdominis musculocutaneous flap is presented. Anatomical and technical details are highlighted.