Conclusion: Packing drainage by transmastoid approach proves effective to treat the otogenic brain abscess.

5%。结论:经乳突腔填塞法源性脑脓肿,效良好。

Spontaneous otogenic pneumocephalus is a rare condition and was previously understood to present with subtle symptoms of headache, aphasia and cognitive deficits.

自发原性颅腔积气比较罕见，过去认主要轻微头痛、失语症和认知障碍等症状。