喉肉芽肿属良性疾病，通常发生在声带后１／３的声带突或构状突区域，单双侧声带均可发生。喉肉芽肿的病因经多年调查被一致认为与下列因素有关：不正确用声、胃食管返流疾病和气管内插管。有些病例病因无法确定，被认为属原因不明者。喉外科手术亦可诱发肉芽肿形成，但常不发 Laryngeal granulomatosis is a benign disease, usually occurs in the vocal cords 1/3 after the sudden or conformation of the sudden area, both single-sided vocal cords can occur. The cause of laryngopharyngeal granulomas was unanimously considered to be linked to the following factors over many years of investigation: incorrect use of voices, gastroesophageal reflux disease, and endotracheal intubation. The etiology of some cases can not be determined, is considered an unknown cause. Throat surgery can also induce granuloma formation, but often not fat