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症例は40歳の女性で,左眼窩深部痛,眼瞼下垂,複視を主訴に来院した。左眼の動眼・滑車・外転神経麻痺を認め,CTにて海綿静脈洞部に腫瘤陰影を認めた。トローザ・ハント症候群を疑い,診断的治療の目的で副腎皮質ステロイド剤投与により,症状はほぼ消失した。副腎皮質ステロイド漸減時に眼球運動障害が再増悪し,再度増量したところ脳膿瘍による髄膜炎を発症した。抗生剤投与により軽度の外転障害を残すのみにまで回復した。その後,霧視を訴え,膿瘍の後頭葉への拡大を認めたので,穿刺排膿術を施行したが,右同名半盲を残した。トローザ・ハント症候群の診断・治療では,副腎皮質ステロイドが繁用されがちだが,感染を念頭においた慎重な使用が必要である。
A 40-year-old female presented with diplopia,retrobulbar pain and blepharoptosis in her left eye.Examinations showed ipsilateral palsies of oculomotor, trochlear and abducens nerves. She was diagnosed as presumed Tolosa-Hunt syn-drome. The clinical symptoms disappeared after diagnosistic-therapeutic systemic prednisolone but ophthalmoplegia recurred after tapering of medica-tion. After reinstitution of prednisolone therapy ata higher dosis, she developed fever and severe headache. Bacterial meningitis was diagnosed after lumbar puncture. Only slight abducens palsy remained after 1 month of systemic antibiotics, but computed tomography showed enlargement of brain abscess in the occipital lobe.
Aspiration of the pus was performed. She was cured leaving right homonymous hemianopia. The possibility of infection has to be borne in mind when attempting systemic corticosteroid therapy for Tolosa-Hunt syndrome.
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