After the tumor excision, the oral defect was reconstructed with myocutaneous platysma flap which had submandibular pedicle and contained external jugular vein.
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- 方法先形成蒂在颌缘下包含颈外静脉的颈阔肌肌皮瓣,待口腔肿瘤切除后,将肌皮瓣经口底隧道引入口腔修复缺损。