HIV陰性患者における結核性肝の治療から11年後の遅発のパラドックス反応:症例報告と文献レビュー
Kodai Suzue1, Yasuo Tanaka2, Naoki Akazawa1
1Department of Gastroenterology, National Center for Global Health and Medicine, Japan Institute for Health Security, 1-21-1 Toyama, Shinjuku-Ku, Tokyo, 162-8655, Japan.
Clinical journal of gastroenterology
|August 31, 2025
まとめ
抗結核治療のパラドックスな反応 (PRs) は,治療終了後遅れて発生することがあります. この希少なケースは,不必要な抗結核薬の投与を避けるためにPRを考慮する重要性を強調しています.
科学分野:
- 感染症
- ヘパトロジー
- 免疫学
背景:
- 抗結核治療に対するパラドックスな反応 (PRs) は,初期の改善にもかかわらず,悪化または新しい病変を伴う.
- PRはHIV陰性個体ではあまり多く見られず,肝臓として稀に現れます.
- 結核治療を終えた後の遅発のPRはまれで,再発と区別するのは困難です.
研究 の 目的:
- 抗結核治療に遅発した逆説的な反応が肝臓として報告される.
- 治療後のPRの診断上の課題と管理上の考慮事項を強調する.
- 結核の治療から何年も経った後でも 微分診断でPRを考慮する重要性を強調する.
主な方法:
- 51歳のHIV陽性の女性で 治療を受けた結核の病歴があり 肝臓のも含まれていました
- 診断作業には,コンピュータトモグラフィー,超音波による肝臓生検,組織病理学,ポリメラーゼ連鎖反応 (PCR) および結核培養が含まれていました.
- 抗結核治療の追加なしでの臨床観察
主要な成果:
- 抗結核治療を終えた11年後に新しい肝臓の結節が現れた.
- 肝臓バイオプシでは 病変性ネクロースの粒子が示されましたが PCRと結核の培養は陰性でした
- 患者は治療後の遅発のPRと診断され,肝臓のは自発的に回復した.
結論:
- 遅発のパラドックスな反応は,結核の治療が完了してから長い間に起こることがあります.
- 治療後のPRと結核の再発を区別することは適切な管理に不可欠です.
- 抗結核薬の不必要な投与を避けるのは,PRの疑いのある症例において重要です.
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