Perineal bowel evisceration after extralevator abdominoperineal excision and vertical rectus abdominis myocutaneous flap closure.

Introduction: Perineal bowel evisceration is a rare complication after extralevator abdominoperineal excision (ELAPE). This surgical technique is used to resect low rectal and anal cancer, with a lower likelihood of positive surgical margins, but resulting in a larger perineal defect. A vertical rectus abdominis myocutaneous (VRAM) flap allows filling of the empty pelvic space and closure of the defect in the pelvic floor.

Case Presentation: A 77-year-old woman, with a hysterectomy in her medical history, underwent an ELAPE followed by reconstruction of the perineal defect with a VRAM flap after neoadjuvant radiotherapy for a moderately differentiated invasive adenocarcinoma of the distal rectum. The postoperative course was complicated with a herniation of the perineal wound and evisceration of a bowel loop.

Conclusion: Closure of the perineal defect after ELAPE remains a challenge, especially in cases where several risk factors for delayed wound healing, flap failure and perineal herniation are present.