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.

语言清21,伴呼吸困难29,会厌舌面黏膜均有同程度的充血水肿,其中发生会厌脓肿2,梗阻而行气管切开1。