特発性多中心性キャッスルマン病における重度の好酸球増加症およびびまん性小葉中心性結節:稀な症例報告
Xiaojuan Li1, Shuang Li2, Tianming Zhao1,3
1Department of Respiratory and Critical Care Medicine, Yichang Central People's Hospital, The First College of Clinical Medical Science, China Three Gorges University, Yichang, Hubei, China, ctgu.edu.cn.
Case reports in hematology
|December 24, 2025
まとめ
特発性多中心性キャッスルマン病(iMCD)は、重度の好酸球増加症および肺結節を呈することは稀である。このユニークな症例では、早期のコルチコステロイド療法により症状が著しく改善し、好酸球数も正常化した。
科学分野:
- 医学症例報告
- 血液学
- 呼吸器学
背景:
- 特発性多中心性キャッスルマン病(iMCD)は、多様な臨床症状を呈する稀なリンパ増殖性疾患である。
- 重度の好酸球増加症およびびまん性肺結節は、iMCDの稀な病型である。
研究 の 目的:
- 重度の好酸球増加症および肺病変を呈するiMCDの稀な症例を報告する。
- このような稀な病型における診断上の課題と治療結果を強調する。
主な方法:
- 発熱、咳、呼吸困難の症状を有する69歳男性患者を評価した。
- 診断的ワークアップには、検査、胸部CT、および腋窩リンパ節生検が含まれた。
- 好酸球増加症の他の原因を除外した後、メチルプレドニゾロンで治療した。
主要な成果:
- 患者は重度の好酸球増加症および両側肺の間質性結節を呈した。
- リンパ節生検により、好酸球浸潤を伴うiMCDと診断された。
- コルチコステロイド治療により、症状の著明な改善、好酸球数の正常化、および炎症マーカーの低下が認められた。
結論:
- 本症例は、原因不明の好酸球増加症および肺症状を有する患者において、iMCDを考慮することの重要性を強調する。
- iMCDに伴う好酸球増加症の良好な転帰のためには、迅速な認識とコルチコステロイド療法の開始が不可欠である。
- 本報告は、好酸球増加症および肺病変を伴うiMCDに関する限られた文献に寄与し、将来の管理戦略に役立つ。
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