双双的眼动脉起源于内动脉和持久的原始三角动脉
Masashi Nakadate1, Kazuma Sasaki2, Issei Takano2
1Department of Radiology, Dokkyo Medical University Saitama Medical Center, 2-1-50 Minamikoshigaya, Koshigaya-shi, Saitama, 343-8555, Japan. m-nakadate@dokkyomed.ac.jp.
Surgical and radiologic anatomy : SRA
|December 12, 2024
概括
这项研究报告了一种罕见的双眼动脉 (OphA) 病例,一种来自内动脉,另一种来自持久原始三角动脉 (PPTA). 这一独特的发现为OphA胚胎发生和血管变异提供了新的见解.
科学领域:
- 神经解剖学是一个神经解剖学.
- 血管胚胎学 血管胚胎学
- 头骨神经解剖学 头骨神经解剖学
背景情况:
- 眼动脉 (OphA) 通常由内动脉 (ICA) 产生的.
- OphA的胚胎发生涉及各种潜在起源的复杂血管发育.
- 血管结构的变化,如持续的胎儿动脉,已经得到了充分证实,但很少见.
研究的目的:
- 描述一个独特的眼动脉 (OphA) 来自持久原始三角动脉 (PPTA) 的病例.
- 为了记录人类胚胎发生过程中以前未报告的血管异常.
- 为了解OphA发展及其变异做出贡献.
主要方法:
- 一个涉及70多岁男性患者的神经症状的案例研究.
- 诊断成像包括计算机断层扫描 (CT) 进行初始评估和数字减去血管造影 (DSA) 进行详细的血管可视化.
- 进行了手术 (切除) 进行了血液瘤疏散和减压.
主要成果:
- 数字减去血管学揭示了一个持续的原始三角动脉 (PPTA),起源于基底动脉 (BA) 并延伸到洞穴性ICA.
- 鉴定出了一条二次眼动脉 (OphA),它从PPTA发出,穿过上层轨道裂 (SOF).
- 该患者还表现出OphA来自ICA的典型的上腔腔起源,导致OphA的双重起源.
结论:
- 这是首次报告出现双眼动脉的情况,其中一个来自ICA,另一个来自PPTA.
- 这些发现表明,OphA和原始三动脉 (PTA) 之间存在潜在的胚胎解剖.
- 在胚胎发生过程中,PTA的不同部分的持续存在可能会导致从BA或ICA的OphA起源变化.
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