背側舟台靭帯複合体:解剖学的記述と月状骨形態との相関
Sandro Castro Adeodato1,2, Nathalia Sundin Palmeira de Oliveira1,2, André Luiz de Campos Pessoa1
1Teaching and Care Unit of Orthopedics and Traumatology, Department of Surgical Specialties, Pedro Ernesto University Hospital (HUPE), Faculty of Medical Sciences, Rio de Janeiro State University (UERJ), Rio de Janeiro, Brazil.
Journal of hand surgery global online
|January 26, 2026
まとめ
II型月状骨では背側橈骨手根靭帯(DRC)がより強固であり、手関節不安定症に対して保護的に作用する可能性がある。この解剖学的データは、舟台靭帯不安定症の診断と治療に役立つ。
科学分野:
- 整形外科学、解剖学、生体力学
背景:
- 舟台靭帯不安定症は、手関節の痛みと機能不全の一般的な原因である。背側舟台靭帯複合体(DSLC)は手関節の安定性に重要な役割を果たしている。DSLCの詳細な解剖学的構造を理解することは、効果的な治療のために不可欠である。
研究 の 目的:
- 背側舟台靭帯複合体(DSLC)構成要素の付着部を記述、定量化し、相関させること。月状骨形態(I型およびII型)に関連してこれらの付着部を分析すること。
主な方法:
- 27例の死体手関節を用いた系統的な解剖。
主要な成果:
- II型月状骨ではI型月状骨と比較して、背側橈骨手根靭帯(DRC)の付着部が有意に広かった。月状骨のタイプ間で、他のDSLC構成要素の測定値に有意な差は見られなかった。背側舟台靭帯間靭帯(dSLIL)と背側手根間靭帯(DIC)の舟状骨頂点への付着パターンは一貫していた。
結論:
- II型月状骨では背側橈骨手根靭帯(DRC)がより強固であり、不安定症に対する保護的な役割を示唆している。DSLC付着部の詳細な解剖学的データは、舟台靭帯不安定症の関節鏡診断と外科的再建を改善することができる。
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