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遅発のメサラジン誘発性エオシノフィル性肺炎は,解消しない肺炎として現れます: 潰瘍性大腸炎の診断上の落とし穴
Siraj Nasim1, Tamer Mohamed Zaalouk1, Abu Bocus1
1Acute Medicine Department Queen Elizabeth the Queen Mother Hospital Margate UK.
Clinical case reports
|February 19, 2026
まとめ
潰瘍性大腸炎に使用されるメサラジンは,めったにエオシノフィル性肺炎,肺損傷が感染症を模倣する原因になりません. このケースは,長期使用後でも発生し,薬物の離脱と回復のためにステロイドを必要とすることを示しています.
科学分野:
- 肺内科 肺内科 肺内科
- 胃腸内科 胃腸内科
- 薬理学 薬理学とは
背景:
- メサラジンは,潰瘍性大腸炎の一般的な治療法です.
- メサラジンは一般的に安全ですが,薬剤による重篤な肺損傷であるエオシノフィル性肺炎を引き起こすことは稀です.
- この状態は,しばしば呼吸器感染症に似た症状を示します.
研究 の 目的:
- 潰瘍性大腸炎の患者でメサラジン誘発のエオシノフィル性肺炎の症例を報告する.
- この副作用は,長期にわたる安定したメサラジン治療の後にも発生する可能性があることを強調します.
- 潰瘍性大腸炎患者の原因不明の呼吸器症状の潜在的な原因としてメサラジンを考慮する重要性を強調する.
主な方法:
- 潰瘍性大腸炎を患っている24歳の男性の症例報告です.
- 臨床的な表現には,進行性呼吸不全と,抗生物質治療にもかかわらず,溶解しない肺内膜が含まれていました.
- 診断作業は,外周性エオシノフィリアと特徴的なCT画像の発見を明らかにした.
主要な成果:
- 患者は,抗生物質で治らない呼吸器感染症の症状を示唆した症状を示した.
- CTスキャンの検査で,外周性エオシノフィリアと双極性サブプルアールグラウンドグラスの不透明性が確認されました.
- メサラジンの中止とコルチコステロイド治療の開始は,迅速な臨床的および放射線学的改善をもたらしました.
結論:
- メサラジン誘発のエオシノフィル性肺炎は,潰瘍性大腸炎治療の希少だが重要な副作用である.
- メサラジンによる肺への毒性は,長期間無事治療を行った後でも現れます.
- 臨床医は,原因不明の呼吸器症状を有する潰瘍性大腸炎患者において,メサラジン誘発のエオシノフィル性肺炎に対する高い疑い指数を維持すべきである.
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