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Ⅰ.緒言
側頭骨岩様部における錐体尖端蜂窠の炎症は,1868年Troeltsch4)がはじめて臨床的に発見し,1897年にはHabermann2)がくわしい病理組織学的観察を行つてから,漸く一般の注意をひくようになつた。1907年にGradenigo1)は,急性中耳炎,偏頭痛,外転神経麻痺の3症候をいわゆるグラデニゴー症候群と命名し,これを以て錐体尖炎の主要症状として発表した。
わが国においても昭和年代の当初より,解剖学的,レ線学的,病理学的の研究,手術法その他臨床一般に関して,諸家の数多い発表がある。殊に1950年高原(高)11)氏の本症に関する宿題報告を中心に,この30年間に100例以上の報告がみられる。
Sambe and Takafuji report a case of primary petrositis that manifested itself by symptoms of right sided trigeminal neuralgia and paralysis of abducens nerve. The history of the case revealed that 3 years before the patient, a man aged 38, suffered an attack of acute otitis media of the right ear. But, this condition was recovered in about 1 week without further complications. The present illness with complaints of symptoms of trigeminal neuralgia and diplopia is assigned to more recent date when the patient recieved accidently a severe blow in the region of the nasal root. Blood examination showed leucocytosis and acelerated rate of sidimentation: X-ray examination revealed the presence of in flammatory changes in the petrous pyramid. With diagnosis of petrositis the patient is operated upon. After the operation, symptoms relagated to trigeminal nerve disturbance are recovered the following day and those of the eye in about 12 days.
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