イントラニューラル・ギャングリオン・キストによる足の落下: 症例報告
Abdullah Alhussein1, Mohammed AlOthman2, Nouf M Althobaiti2
1Neurosurgery, King Salman bin Abdulaziz Medical city, Madinah, SAU.
Cureus
|February 13, 2026
まとめ
内神経のギャングリオンキスタは,常神経 (CPN) を圧迫することで,足の落下 (FD) を引き起こします. このケースは,FDの診断において,特に外傷がない場合,キストを考慮することの重要性を強調しています.
科学分野:
- 神経学 神経学とは
- 整形外科 整形外科 整形外科
- 手術病理学の病理学
背景:
- フットドロップ (FD) は,ドルシフレクションの障害によって特徴付けられ,歩行異常と転落のリスクの増加につながります.
- 内神経のギャングリオン・キスタは,周辺神経の内にある希少で良性的なシスティック病変です.
- 内神経ギャングリオンキスタとFDとの関連は珍しいが,臨床的に有意である.
研究 の 目的:
- イントラニューラル・ギャングリオン・キスタによって引き起こされた急性足の落下の症例を報告する.
- この希少な疾患の診断の課題と管理について議論します.
- FDの微分診断にギャングリオンキスタを含める重要性を強調する.
主な方法:
- 症例報告は,22歳の男性で,足が急激に落下し,手触りできる質量があった.
- 常神経 (CPN) の分布に沿った運動の弱さと感覚の欠乏を明らかにする臨床検査.
- 磁気共鳴画像 (MRI) を使って,システィック病変を特定します.
- 手術による探検,神経分解,および組織病理学的確認による胞切除.
主要な成果:
- 患者は,CPNを圧縮するギャングリオン・キストに起因する,完全な右足の落下と感覚の喪失を示した.
- MRIでは,フィブラー頭部付近のシスティック病変が確認されました.
- 腫瘍の切除により,手術後の症状 (痛みと麻痺) が改善されました.
- 運動機能の回復はすぐにはなかったが,リハビリテーションを受けている.
結論:
- 内神経ギャングリオンキスタは,足の落下,特にトラウマがない場合の珍しいが重要な原因です.
- MRIによる早期診断と外科介入は,CPN圧縮を緩和することができます.
- このケースは,説明できない足の落下の微分診断において,ギャングリオンキストを考慮する必要性を強調しています.
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