中脑动脉的重复起源:一种罕见的变体
George Triantafyllou1, Panagiotis Papadopoulos-Manolarakis2, Panagiotis Papanagiotou3
1Department of Anatomy, School of Medicine, Faculty of Health Sciences, National and Kapodistrian University of Athens, 75 Mikras Asias str, Goudi, Athens, 11527, Greece.
Surgical and radiologic anatomy : SRA
|May 19, 2025
概括
偶然地发现了中脑动脉 (MCA) 的罕见重复起源. 这种解剖学变异,不同于 fenestrations,有0.1%的流行率,对于神经外科规划至关重要.
科学领域:
- 神经解剖学是一个神经解剖学.
- 血管神经学 血管神经学
- 放射学 放射学是一门学科.
背景情况:
- 大脑动脉圈显示出显著的形态变异性.
- 中脑动脉 (MCA) 的变异不常见,但可以通过成像检测到.
研究的目的:
- 报告一种罕见的MCA变异:一个重复的起源.
- 强调区分MCA变体对临床实践的重要性.
主要方法:
- 计算机断层扫描血管造影 (CTA) 用于偶然发现.
- 对大脑动脉圈进行了详细的成像分析.
主要成果:
- 鉴定出左MCA的一个罕见的重复起源.
- 这种变体与MCA的极分支形成了动脉环.
- 在大脑动脉循环中没有发现其他变异.
结论:
- 确定的变种被准确地归类为"重复起源",而不是 fenestration.
- 了解MCA变异对于安全的内血管和神经外科干预至关重要.
- 这种特定的变种报告的流行率很低,为0.1%.
相关概念视频
The Arch of Aorta
The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
Encircling the heart, the coronary arteries form a ring-like structure before...
Encircling the heart, the coronary arteries form a ring-like structure before...
Arteries of the Head and Neck
The human body's intricate network of arteries ensures that every organ system receives the necessary oxygen and nutrients for optimal function. The arterial network in the head and neck region is particularly complex, providing vital blood flow to the brain, eyes, and other critical structures. Prominent arteries in this region include the internal carotid arteries and the vertebral arteries.
The internal carotid arteries supply blood to the anterior portion of the cerebrum. They enter the...
The internal carotid arteries supply blood to the anterior portion of the cerebrum. They enter the...


