外耳道闭锁(英文)

作者:Harn**erger HR; Wiggins RH; Swartz JD; 关键
来源:影像诊断与介入放射学, 2017, 26(05): 437-439.

摘要

<正>Key FactsSynonyms:Congenital aural dysplasia,microtiaDefinition:Stenosis or atresia of external auditory canal(EAC)with associated auricle(external ear)deformity.May be isolated malformation,or part o f a cranial-facial syndrome,such as Crouzon’s,Goldenhar’s or Pierre Robin.Classic imaging appearance(CT):(1)Bony or membranous stenosis or atresia of EAC;(2)Underdeveloped mastoid air cells and small middle ear cavity;(3)Malformations of malleus and incus are common.