双侧关节下关节神经被侧侧胸部神经刺激:一个尸体和超声波病例报告
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
概括
这项研究在尸体中发现了一种罕见的双侧关节下肌肌肉变体. 高分辨率超声波成功检测出了这种辅助肌肉,该辅助肌肉由侧侧胸神经独一无二地内化.
科学领域:
- 人体解剖学 解剖学 解剖学
- 手术解剖学手术解剖学
- 医疗成像医学成像
背景情况:
- 关节底肌是胸前上部的一个小肌肉.
- 关节底肌的变异,如关节底肌 posticus,是已知的,但很少被记录.
- 了解这些变异对于准确的解剖学解释和手术程序至关重要.
研究的目的:
- 描述双边关节下关节的详细形态,内化和解剖关系. posticus.
- 为了证明高分辨率超声波在识别这种肌肉变体中的实用性.
- 讨论下关节的解剖学和临床影响. posticus.
主要方法:
- 软化成体尸体的常规剖析,重点关注关节内关节和胸部出口区域.
- 双边检查包括形态测量数据,肌肉附件和神经血管关系.
- 使用高分辨率超声波对侧侧的切割前评估.
主要成果:
- 确定了一个双边的关节骨下部肌肉 (subclavius posticus),起源于第一个肋骨/肋骨软骨结合处,并插入心脏状体上.
- 高分辨率超声波成功检测到解剖前的左侧肌肉.
- 这两个肌肉都表现出侧侧胸神经的内化,这是一个新发现,静脉排水进入脑静脉.
结论:
- 这一案例是第一个由侧侧胸部神经内化双侧关节下关节神经的记录实例.
- 这些发现扩大了已知的关节骨下部肌肉的解剖学变异.
- 高分辨率超声波是一种有价值的工具,用于检测胸部出口区域的辅助肌肉.
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