与背部胰腺产生相关的罕见动脉变异
George Triantafyllou1,2, Panagiotis Kokoropoulos3, Spyridon Christodoulou3
1Department of Anatomy, School of Medicine, Faculty of Health Sciences, National and Kapodistrian University of Athens, Athens, Greece.
一个罕见的病例详细介绍了一个由上层中枢动脉 (SMA) 发起的被替换的常见肝动脉 (rCHA),与背胰腺产生一起. 这种解剖学变异带来了重大的手术风险,需要对肝脏和胰腺手术进行细致的手术前规划.
科学领域:
- 血管解剖学 血管解剖学
- 手术解剖学的手术解剖学
- 胃肠道手术 胃肠道手术
背景情况:
- 肝动脉和胰腺的解剖学变化可以显著影响外科手术的结果.
- 背部胰腺发育是一种罕见的先天性异常,具有潜在的临床意义.
- 从上层介质动脉 (SMA) 出生的替代的普通肝动脉 (rCHA) 在腹部手术中提出了独特的挑战.
研究的目的:
- 描述一种罕见的共同存在的替代常见肝动脉 (rCHA) 和背部胰腺发生的罕见病例.
- 为了突出这一罕见的解剖结构的重大外科影响.
- 强调详细的手术前成像和手术规划的重要性.
主要方法:
- 一名53岁的胆管癌女性患者接受了全面的手术前成像.
- 技术包括计算机断层扫描血管造影 (CTA),磁共振成像 (MRI) 和磁共振胆血管细胞造影 (MRCP).
主要成果:
- 图像检查显示,一个被替换的普通肝动脉 (rCHA) 起源于上层中枢动脉 (SMA),前面是胰腺头部.
- rCHA供应了右和左肝动脉,右胃动脉和胰腺双动脉;胃双动脉缺席.
- 证实了背部胰腺产生,其特点是缺少胰腺体和尾部.
结论:
- 这种罕见的解剖变异,结合来自SMA的rCHA和背部胰腺产生,造成高的手术内风险.
- 缺少主要的乳-SMA附带路径增加了手术期间灾难性缺血的可能性.
- 在这种情况下,全面的手术前血管映射和量身定制的手术策略对于安全有效的胰腺或肝脏手术至关重要.
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