Immediate Perineal Reconstruction After Extralevatory Abdominoperineal Excision: Buried Desepidermised Fasciocutaneous V-Y Advancement Flap

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Abstract

Background

According to National Cancer Institute, there are approximately 39,800 rectal cancer cases per year, 25% of which will need an abdominoperineal resection (APR). The key to avoid most of the complications related to pelvic defect that occurs after APR is choosing an appropriate reconstruction option for perineum. This study aims to introduce an easily applicable flap option for closure to address postoperative pelvic defect in low rectal cancer.

Methods

This is a retrospective evaluation of 9 patients who have undergone perineal reconstruction for pelvic defects after extralevatory abdominoperineal excision with rectal cancer between 2014 and 2016. Reconstruction consists of a novel technique defined by our clinic, which is buried desepidermised fasciocutaneous V-Y advancement flap.

Results

All defects are closed successfully. Patients are followed postoperatively for complications such as perineal infection, wound dehiscence, seroma, perineal sinus, or fistula formation. Flaps are evaluated with magnetic resonance imaging postoperatively, for viability and effectiveness on defect closure. Mean follow-up time is 20 (±9) months. Mean average hospital stay is 8 (±2) days. We did not experience any total or partial flap loss or encounter any local complication related to the wound.

Conclusions

Buried desepidermised fasciocutaneous V-Y advancement flap is a reasonably easy and time-saving operation. It is effective in filling the pelvic dead space while closing the sacral defect after APR and therefore decreases late term complications related to large perineal excision.

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