CASE REPORT Complex Wound Closure of Partial Sacrectomy Defect With Human Acellular Dermal Matrix and Bilateral V to Y Gluteal Advancement Flaps in a Pediatric Patient

Objective: Sacrectomy creates a large, complex tissue defect that presents a reconstructive challenge for plastic surgeons. Several myocutaneous flaps have been described for reconstruction following sacral tumor extirpation; however, current publications focus on the reconstructive options applicable to adults. We present a method of reconstruction following sacral tumor extirpation in a pediatric patient. Methods: The patient was 22 months old and in need of complex closure following low sacral amputation (S3-S4 osteotomy) and en bloc resection of a yolk sac tumor. Following tumor extirpation, the patient was left with a complex defect including extensive dead space, multiple exposed nerve roots, projection of the rectum into the wound, and inadequate soft tissue for primary closure. Results: Reconstruction with human acellular dermal matrix to address the risk of posterior rectal herniation and bilateral gluteal V to Y advancement flaps for obliteration of the dead space allowed for durable closure of the surgical defect. Conclusions: This represents the first case report documenting sacral resection and reconstruction with bilateral V to Y gluteal advancement flaps in a pediatric patient.

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