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Updated: Feb 8, 2026

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症例報告:過去の肺結核患者における中枢神経系結核腫
Shreya Mehta1, M Mukhyaprana Prabhu2, Vivek Nayak M3
1Kasturba Medical College Manipal, Manipal Academy of Higher Education, 576104, Karnataka, India.
QJM : monthly journal of the Association of Physicians
|February 6, 2026
まとめ
中枢神経系(CNS)結核腫は、治療後でも再発する可能性のあるまれな結核合併症です。早期診断と調整された多剤耐性結核治療は、患者の回復と予後の改善に不可欠です。
科学分野:
- 神経学
- 感染症
- 放射線学
背景:
- 中枢神経系(CNS)結核腫は、結核(TB)のまれであるが重篤な症状である。
- 特に薬剤耐性株の場合、診断上の課題があり、他の神経学的状態を模倣する可能性がある。
- 治療後の再発は、警戒の必要性を強調している。
研究 の 目的:
- 多剤耐性結核(MDR-TB)患者における再発性CNS結核腫の症例を報告すること。
- 結核の既往歴のある神経学的欠損症例においてCNS結核腫を考慮することの重要性を強調すること。
- 診断と管理における高度な画像診断と感受性試験の役割を強調すること。
主な方法:
- 肺結核の既往歴のある60代女性の症例報告。
- 進行性の神経学的欠損を含む臨床症状。
- 結核分離株に対する磁気共鳴画像法(MRI)、スペクトロスコピー、および薬物感受性試験(DST)。
主要な成果:
- MRIは、右尾状核における特徴的な脂質-乳酸ピークを伴うリング増強病変を明らかにした。
- DSTはイソニアジドおよびリファンピシンへの耐性を確認し、感染をMDR-TBと分類した。
- 修正されたATTレジメンにより神経学的回復が達成された。
結論:
- CNS結核腫は、抗結核療法(ATT)完了後数年で発生する可能性がある。
- 多剤耐性結核(MDR-TB)は、CNS結核腫の管理において重大な課題をもたらす。
- 早期の神経画像診断、迅速な薬剤耐性検査、および個別化された治療は、良好な予後にとって重要である。
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