A soft bulging mass over the postero-superior part of the right external ear canal was noted 2 years ago when several episodes of watery otorrhea had happened.

• 此次因脑膜炎住院，原疑为中耳胆脂瘤造成之并发症，但电脑断层扫描显示，颞叶脑膜及脑组织脱垂入中耳及外耳道。