目的 探讨通过改良口角颌下切口入路及应用单段腓骨肌瓣修复上颌骨次全切除术后Ⅱ型缺损的临床疗效.方法 对11例应用单段腓骨肌瓣修复上颌骨次全切除术后Ⅱ型缺损的患者进行回顾性分析.结果 所有患者切口愈合良好,咬合关系、张口、发音正常,无复视、眼睑外翻、面瘫及下唇感觉麻木等并发症发生.结论 通过改良口角颌下切口入路,应用单段腓骨肌瓣修复上颌骨次全切除后Ⅱ型缺损,该切口美观,术后效果好.%Objective This study demonstrates subtotal maxillary reconstruction using one vascularized fibular osteomyocutaneous flap segment through the modified lateral lip-submandibular approach.Methods Eleven patients who were suffering from subtotal maxillary defects and who underwent maxillary reconstruction using one vascularized fibular osteomyocutaneous flap segment through modified lateral lip-submandibular approach were reviewed.Results Healing courses were uneventful in all cases;furthermore,acceptable maxillomandibular relationship,mouth opening,and speech were assessed as normal in all cases.No long-term functional limitation of the lower limb was reported even though all complained of big toe dysfunction,which eventually developed to a claw toe deformity.Other complications,such as diplopia,ectropion,facial paralysis,and sensory numbness in the lower lip,did not occur.Conclusion Subtotal maxillary reconstruction using one vascularized fibular osteomyocutaneous flap segment through the modified lateral lipsubmandibular approach is a feasible and acceptable technique because of multiple advantages.
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