耳性小脳膿瘍の2治験例

　まえがき

　耳性小脳膿瘍は，側頭葉膿瘍に比して稀であり，又最近各種抗生物質が使用されるに至つてからは，一層これを見ることが稀となつた。しかし今日でも小脳膿瘍の死亡率は依然として高率である。その症状についても，今日迄に多数の人々によつて詳しく報告され，その診断には差程の区難を感じないが，これら症状と小脳の傷害部位との関係については尚明らかにされていない。我々は最近幸いにして治癒せしめ得た耳性小脳膿瘍の2例を経験し，その臨症状と経過について考察を加えたのでその大要を告報する。

Okamoto reports two cases of cerebellar abcess of aural origin that resulted in reco-very. Diagnosis of cerebellar abcess due to chronic otitis media of the left side is esta-blished in a girl aged 15. The directon of the nystagmus, before and after the operation consisting of radical mastoidectomy and in-cision drainage of the cerebellar abcess, was towards the affected side. The patient made a complete recovery after 70 days of hospita-lization.

A similar diagnosis of derebellar abcess due to left sided chronid otitis media is establish-ed in a boy aged 15. The cerebellar abcess is opened and drained after institution of radical mastoidectomy with comcommitant drainage of the sigmoids sinus. The nys-tagmus that was towards the healthy side before the operation became thereafter, to-wards the affected side for the period of 4 days, only to return again to the affected direction which it was originally found. After 25 days of convalescence the nystagmus was no longer found.