横側胸部神経によって神経化される双方の下椎後:死体と超音波の症例報告
Athinan Prommahom1, Chayanont Jankham1, Prin Duangsuwan1
1Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakarn, Thailand.
Surgical and radiologic anatomy : SRA
|February 13, 2026
まとめ
この研究は,死体における希少な双極性下鎖骨 (subclavius posticus) 筋肉の変種を特定した. 高解像度の超音波検査で,この付属筋肉が発見され,この付属筋肉は横側胸部神経によって特異的に神経化されていた.
科学分野:
- アナトミー アナトミー
- 手術のアナトミーについて
- メディカルイマージング (医学イメージング)
背景:
- サブクラビウス筋は,胸の上部にある小さな筋肉です.
- サブクラビウス・ポスティカスなどのサブクラビウス・筋肉の変異は知られているが,文書化されることは稀である.
- これらの変異を理解することは,正確な解剖学的解釈と外科的処置にとって極めて重要です.
研究 の 目的:
- 双方の下鎖骨 (subclavius posticus) の詳細な形態学,内置,および解剖学的関係を記述する.
- この筋肉の変異を特定する際の高解像度超音波の有用性を実証する.
- サブクラビウスポスティカスの解剖学的および臨床的意味について議論します.
主な方法:
- 軟体包装された成人の死体の例行解剖で,胸部と内部の出口部に焦点を当てます.
- 形態測定データ,筋肉の結合,神経血管の関係を含む双方の検査.
- 反対側の高解像度超音波を用いた解剖前評価.
主要な成果:
- 第"肋骨/肋骨軟骨の接点から発生し,コラコイドプロセスに挿入する双方のサブクラビウスポスティカス筋が特定されました.
- 高解像度の超音波検査は,解剖前に左側の筋肉を成功裏に検出しました.
- 両方の筋肉は,横側胸部神経による内置を示しており,これは新しい発見であり,静脈の排水が頭葉静脈に流れています.
結論:
- このケースは,横側胸部神経によって神経化される双方の下椎後の最初の文書化された例を表しています.
- この発見は,下鎖骨筋の既知の解剖学的変異を拡大している.
- 高解像度の超音波は,胸部出口部における補助筋組織を検出する貴重なツールです.
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