Invasion of intralaryngeal muscles and the upper and outer aspects of arytenoid cartilage via paraglottic space was found to be the main cause of hemilaryngeal fixation in these cases. 指出梨状窝癌产生半喉固定的主要原因是癌组织通过声门旁间隙侵犯喉内肌和杓状软骨外上方。
The reconstruction of laryngeal function in subtotal laryngectomy with preservation of arytenoid cartilage 保留杓状软骨喉次全切除喉功能重建的体会
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。
The dynamic follow-up of the movement of the arytenoid cartilage, the reconstruction of the glottis rimae and the changes of the voice were analyzed. 并且对术后声带的活动、声门裂的形态及嗓音变化作了动态观察随访,并应用Dr。