喉角化病（LaryngealKeratosis）是一种以喉上皮增生、角化过度为特征的喉粘膜增生性病变，常伴有非典型增生，有较高的恶变率为（l％～40％），被视为癌前病变。目前对此病的病情演变、预后估价、治疗措施的看法尚不一致。我科手1994年开始应用纤维内窥镜Nd－YAG激光治疗喉部 Laryngeal keratosis (Laryngeal keratosis) is a kind of laryngeal mucosa hyperplasia, hyperkeratosis characterized by laryngeal mucosal hyperplasia lesions, often accompanied by atypical hyperplasia, a high rate of malignancy (l% ~ 40%), was As a precancerous lesion. At present the evolution of the disease, prognosis and treatment, treatment is not the same view. My department started in 1994, the application of fiber endoscopy Nd-YAG laser treatment of the throat