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要約 草刈り中の65歳男性の左眼に異物が飛入し,眼痛が生じた。受傷から24時間後に受診した。左眼視力は手動弁で,眼球突出と眼瞼腫脹があった。左眼角膜に異物刺入創があり,眼内異物と眼内炎と診断した。手術までの数時間中に角膜混濁が急速に進行した。摘出した水晶体内に鉄片異物があり,前部硝子体を切除した。手術で得られた眼内組織からBacillus cereusが検出された。バンコマイシンなどの抗生物質を投与し12日後に眼内炎は寛解したが,低眼圧になり,最終視力は15cm手動弁であった。グラム陽性捍菌であるBacillus cereusによる眼内炎が急速に増悪した症例である。
Abstract. A 65-year-old man was hit by a foreign body in his left eye during mowing. When he was seen 24 hours later,his left visual acuity was hand motion. The left eye was protruding with swollen eyelids. A perforating wound was present in the cornea. He was diagnosed with intraocular foreign body and endophthalmitis. During the few hours before surgery,his left cornea developed rapid opacity. A ferrous foreign body was present in the removed lens.The affected eye received additional anterior vitrectomy. Bacillus cereus was isolated from the intraocular specimen. Systemic antibiotics including vancomycin induced remission 12 days later. The affected eye became hypotonic with the visual acuity of hand motion. This case illustrates that endophthalmitis due to Bacillus cereus may run a fulminant course needing immediate treatment.
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