患儿,男,9岁,因“渐进性声音嘶哑伴呼吸困难1个月”于2011年6月收入南京医科大学附属南京儿童医院耳鼻咽喉科。1个月前,患儿无明显诱因出现声音嘶哑,进行性加重,逐渐出现吸气性呼吸困难症状,睡眠时尤为明显。发病以来无咽喉疼痛,无咽异物感,患儿全身检查正常,颈部未及肿大淋巴结。门诊行电子喉镜检查:会厌活动正常,双 Children, male, 9 years old, due to “Progressive voice hoarseness with dyspnea 1 month ” in June 2011 income Nanjing Children’s Hospital Affiliated to Nanjing Medical University Department of Otorhinolaryngology. 1 month ago, there was no obvious incentive for children with hoarse voice, progressive increase, progressive aspiration dyspnea symptoms, especially when sleeping. Since the onset of no sore throat, no pharyngeal foreign body sensation, normal systemic examination in children, neck and enlarged lymph nodes. Outpatient electronic laryngoscopy: epiglottosis normal, double