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    Diaphragm reconstruction combined with thoraco-abdominal wall reconstruction after tumor resection.

    J Plast Surg Hand Surg 2018 Jun 31;52(3):172-177. Epub 2017 Aug 31.
    a Department of Plastic Surgery , Helsinki University Hospital , Helsinki , Finland.
    Background: Thoraco-abdominal wall resection including diaphragm resection results in a challenging surgical defect. Various methods have been used for diaphragm reconstruction. The aim of this study was to describe our methods of diaphragm and thoraco-abdominal wall reconstruction after combined resection of these anatomical structures.

    Methods: Twenty-one patients underwent diaphragm resection at our institution between 1997 and 2015. We used a mesh or direct closure for diaphragm defect and a mesh for chest wall stabilization. A pedicled or free flap for soft tissue coverage was used when direct closure was not possible.

    Results: Indications for resection were primary sarcoma (n = 14), cancer metastasis (n = 4), desmoid tumor (n = 2), and solitary fibrous tumor (n = 1). The median patient age was 58.9 years. The diaphragm was pulled to its original position and sutured directly (n = 15) or reconstructed with mesh (n = 6). Chest wall reconstructions were performed with a mesh (n = 14), mesh and a pedicled flap (n = 4), mesh and a free flap (n = 3). No perioperative mortality occurred. One-year and 5-year survival rates were 85.7 and 65.9%, respectively, while overall recurrence-free rates were 80.4 and 60.8%, respectively.

    Conclusions: We have described our surgical methods for the resection of tumors of the chest or abdominal wall, including our method of distal diaphragm resection with wide or clear surgical margins. The method is safe and the reconstructions provided adequate stability, as well as water-tight and air-tight closure of the chest cavity. There were no cases of paradoxical movement of the chest or of diaphragm or thoraco-abdominal hernia.
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