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Perineal wound closure with the rectus abdominis musculocutaneous flap after tumor ablation
W G de Haas1, M J Miller, W J Temple
1Department of Reconstructive and Plastic Surgery, University of Texas M.D. Anderson Cancer Center, Houston 77030, USA.
Background:
We describe the transpelvic rectus abdominis musculocutaneous flap for closing large, often irradiated, perineal defects in patients with cancer.
Methods:
We studied 9 men and 17 women who underwent wide excision of advanced T3 and T4 tumors and who had preoperative chemotherapy, radiotherapy, or both. After tumor ablation, we used a transpelvic rectus abdominis musculocutaneous flap to fill pelvic dead space and primarily close the perineal wounds. Twelve simultaneous vaginal reconstructions were performed.
Results:
Wounds healed promptly in 14 patients. Healing was delayed in the remaining 12 patients due to poor flap adherence to irradiated tissue beds (9), complete flap loss (2), or partial flap loss (1). Delayed healing was associated with the combination of obesity and prior irradiation. Other perioperative complications included localized abdominal wound infection (2), enterocutaneous fistula (1), and abdominal herniation (1). Local disease was controlled in 20 of 26 patients. Mean follow-up was 22 months.
Conclusion:
Transpelvic rotation of the rectus abdominis musculocutaneous flap facilitates healing large, difficult, perineal wounds, resulting from cancer ablation.