secondary fold

Method: Seven cases with laryngeal carcinoma ( T 3N 0M 0) were treated with secondary total laryngectomy. The arytenoid cartilage of the healthy side and interarytenoid fold were remained. A laryngeal phonatory tube with sphincteral function was constructed with arytenoid cartilage and hypopharyngeal mucosa.

方法：7例喉癌病变范围T3N0M0行次全喉切除术，术中保留健侧的披裂软骨及杓间区粘膜，用披裂软骨与下咽粘膜制作具有括约功能的喉发声管。

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