胸导管是人体中主要的淋巴管,在左侧颈廓清术中应避免损伤,一旦暴露则予以结扎,以免产生乳糜胸。以往的研究说明,胸导管如结扎后,由于建立了胸膜、纵隔和气管肺的侧支淋巴引流,所以不致发生明显的后果,文中77例颈部鳞状细胞癌行颈廓清术的患者中,左侧 The thoracic duct is the main lymphatic vessel in the human body. In the left neck dissection, damage should be avoided. Once exposed, the thoracic duct should be ligated to avoid chylothorax. Previous studies have shown that if thoracic ducts are ligated, the establishment of pleural, mediastinal, and tracheal lungs with collateral lymphatic drainage will not result in obvious consequences. Among the 77 patients with neck squamous cell carcinoma underwent neck dissection, Left side