清晰的嗓音基于柔韧声带的振动功能。喉外伤、显微外科术后畸形、肿瘤切除后往往导致发音困难。Reinke′s层消失、声带瘢痕及纤维变是其主要机理。以往有注射胶原蛋白治疗声带功能不全 ,近来有人注射脂肪治疗声带麻痹或其它原因造成的声门闭合不全。该项研究探讨在内窥镜下将脂 The clear voice is based on the flexible vocal vibrations. Throat trauma, microsurgery postoperative deformity, often lead to dysphonia after tumor resection. Reinke’s layer disappears, vocal cords and fibrosis is the main mechanism. In the past there is injection of collagen treatment of vocal cord insufficiency, recently someone injected fat treatment of vocal cord paralysis or other causes of glottis insufficiency. The study explored lipids under endoscopy