Laryngomalacia is the most common etiology of non-infectious molluscum in infancy.Endoscopic morphology revealed abnormal droop of sub-glottis structures in inhale.

喉软化婴儿见的非传染性喘鸣的病因,内镜检查显,吸气时声门上有异的下垂。

Although laryngomalacia is the leading cause of stridor in infancy, vocal cord paralysis, despite its low incidence, is still the second most common cause.

摘要喘鸣以下的婴幼儿呼吸窘迫见的主诉，而喉头软化症见的原因。