切除头颈部肿瘤时,造成瘘孔者并不少见。伴有大块组织缺损的瘘孔,其封闭则需要移植足够的组织。腹直肌游离皮瓣切取容易,可移植足够的组织,能获得长而直径较粗的血管蒂以利在显微镜下血管吻合,因此封闭巨大瘘孔时则为首选。 Excision of head and neck cancer, fistula caused by those who are not uncommon. Fistula holes with large tissue defects need to be transplanted if they are closed. Rectus abdominis free flap easy to cut, transplant enough tissue, can obtain long and thicker diameter of the pedicle to facilitate vascular anastomosis under the microscope, so the closure of a large fistula when the hole is preferred.