In addition to the primary lesion, the radiation field setting for laryngeal cancer should also include the cervical lymphatic drainage area. In 1997, AJCC made normative recommendations on the treatment range of the neck for laryngeal squamous cell carcinoma, excluding the irradiation range of the neck for T1 vocal cord cancer, which should include areas II, III, and IV, and areas II to V for N2b lesions. If it is a subglottic cancer, transglottic cancer, or tumor extension to the subglottic area, area VI should be irradiated. Indications for postoperative tracheostomy 1) The lesion invades the subglottic area. 2) Perform emergency tracheotomy before surgery. 3) Invasion of the soft tissue of the neck (including invasion of the lymph node capsule). 4) The tracheal resection margin is positive or the safety margin is insufficient. 5) The surgical incision is made through the stoma. |
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