Hydrops was found in lingual surface mocosa of epiglottis in all these patients and abscess of epiglottis developed in 2,and laryngemphraxis in 1 and tracheotomy was carried out.

语言含糊清21例,伴呼吸困难29例,面黏膜均有同程度的充,其中发生脓2例,因喉梗阻而行气管切开1例。