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要約 背景:乾癬の発症には腫瘍壊死因子α(TNFα)が関係する。インフリキシマブは抗TNFαモノクローナル抗体である。目的:乾癬性汎ぶどう膜炎の症例にインフリキシマブを使用した報告。症例:現在71歳の女性が15年前に両眼の前部ぶどう膜炎で受診した。その2年前から膿疱性乾癬の皮膚と関節症状があり,ステロイドとシクロスポリンで加療中であった。白内障手術を5年前に左眼に,1年前に右眼に行い,視力は右0.4,左0.6になった。10カ前から汎ぶどう膜炎が認められ,両眼とも視力が0.1まで低下したため7か月前からインフリキシマブ3mg/kgの静注を開始した。初回治療の翌日に皮膚と関節症状が軽快し,その後視力も改善した。現在まで経過は良好である。結論:インフリキシマブの静注で,乾癬による皮膚,関節,汎ぶどう膜炎の症状が少なくとも7か月間改善した。
Abstract. Background:Tumor necrosis factor α(TNFα)is involved in the pathogenesis of psoriasis. Infliximab is an anti-TNFα monoclonal antibody. Purpose:To report a case of psoriatic panuveitis treated by systemic infliximab. Case:A currently 71-year-old female was first seen for anterior uveitis in both eyes 15 years ago. She had been treated with systemic steroid and cyclosporin for pustular psoriasis involving the skin and joints for 2 years. She received cataract surgery in the left eye 5 years before and in the right one year before. Visual acuity improved to 0.6 and 0.4 respectively. Panuveitis occurred 10 months ago with visual acuity worsening to 0.1 bilaterally. She started receiving intravenous injection of 3 mg/kg infliximab 7 months ago. The first injection was followed by improvement of skin and arthritic manifestations the following day and visual acuity also improved. She has been doing well for 7 months until present. Conclusion:Intravenous injection of infliximab was followed by improvement of panuveitis,skin and joint lesions in a patient with psoriasis.
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