臨床症状
Veronica Perez1,2, Marcelo Jobet1,2, Juan Pablo Cruz3
1Neurology Department, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 25, 2025
まとめ
脳下垂体認知症(BSD)は、認知機能低下を引き起こすまれな状態であり、効果的に治療できます。脳脊髄液(CSF)漏出に対するタイムリーな診断と標的血腫パッチ(TBP)は、この可逆的な認知症の原因にとって最良の結果をもたらします。
科学分野:
- 神経学;放射線学;脳神経外科
背景:
- 脳下垂体認知症(BSD)は、自発的頭蓋内低血圧症(SIH)に関連するまれな症候群であり、行動型前頭側頭型認知症(bvFTD)と同様の認知症状を呈します。この研究は、チリの施設で管理されたBSDの2例を詳述しています。
研究 の 目的:
- 脳下垂体認知症(BSD)の2例を提示し、診断および治療戦略を議論すること。BSDにおける脳脊髄液(CSF)漏出の特定と治療の重要性を強調すること。
主な方法:
- 疑いのあるBSDの2人の男性患者は、CSF漏出を特定するために、脳MRI、脊椎MRI、およびコンピューター断層撮影ミエログラフィー(CT-M)を受けました。両方の患者は最初にブラインド血腫パッチ(BBP)を受け、次にCT-MがCSF漏出部位を確認した後、標的血腫パッチ(TBP)を受けました。
主要な成果:
- 最初の患者は、T11-T12 CSF漏出に対する標的血腫パッチ(TBP)後、認知および行動症状の完全な解消を経験しました。2番目の患者は、L4-L5 CSF漏出に対するTBP後、頭痛の完全な解消と、認知行動症状の有意だが不完全な改善を経験しました。
結論:
- 脳下垂体認知症(BSD)は、bvFTDの鑑別診断において考慮されるべきであり、頭痛は潜在的であるが、必ずしも存在しない赤信号です。脊椎MRIよりもコンピューター断層撮影ミエログラフィー(CT-M)の方が脳脊髄液(CSF)漏出の特定に効果的です。BSDにおけるより良い結果のためには、特に標的血腫パッチ(TBP)によるCSF漏出の早期診断と標的治療が重要であり、認知症の可逆的な原因としての可能性を強調しています。
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