RESUMO
Objective To explore the clinical effects of modified pedicled pectoralis major myocutaneous flaps(PMMFs) in repairing postoperative defects following head and neck malignant tumor radical operation.Methods Twenty-eight patients with surgical defects after head and neck malignant tumor operation in this hospital from September 2013 to January 2017 were selected and performed the repairing reconstruction by modified PMMFs,then observed and followed up for the survival of the flaps.Results All 28 cases were followed-up for 3-36 months,all modified PMMFs survived.Using modified PMMFs to repair surgical defects following head and neck malignant tumor operation had the advantages of high survival rate and less trauma;meanwhile the swallow and language function could obtain the maximal recovery.Conclusion Using modified PMMFs to repair surgical defects following head and neck malignant tumor operation has good clinical curative effect and is worth clinical application.