左侧下腔静脉汇入半奇静脉患者的深静脉血栓形成：一例报告。
Deep vein thrombosis in patient with left-sided inferior vena cava draining into the hemiazygos vein: A case report.
作者信息
Zhang Li, Guan Wei-Kang
机构信息
Department of Vascular Surgery, Dazhou Central Hospital, Dazhou 635000, Sichuan Province, China.
出版信息
World J Clin Cases. 2021 Jan 26;9(3):672-676. doi: 10.12998/wjcc.v9.i3.672.
BACKGROUND
Abnormalities of the inferior vena cava (IVC) are uncommon, and in many cases they are asymptomatic. Even so, it is vital that clinicians be aware of such anomalies prior to surgery in affected individuals. In the present report, we describe a rare anatomical variation of the IVC.
CASE SUMMARY
A 66-year-old male was admitted to the hospital due to deep vein thrombosis of the right lower extremity. Upon contrast-enhanced computed tomography imaging, we found that this patient presented with a case of left-sided IVC draining into the hemiazygos vein, while his hepatic vein was directly draining into the atrium.
CONCLUSION
Cases of left-sided IVC can increase patient susceptibility to thromboembolism owing to the resultant changes in blood flow and/or associated vascular compression.
背景
下腔静脉（IVC）异常并不常见，在许多情况下它们是无症状的。即便如此，临床医生在对受影响个体进行手术前了解此类异常情况至关重要。在本报告中，我们描述了一种罕见的下腔静脉解剖变异。
病例摘要
一名66岁男性因右下肢深静脉血栓形成入院。在增强计算机断层扫描成像检查时，我们发现该患者存在左侧下腔静脉汇入半奇静脉的情况，而其肝静脉直接汇入心房。
结论
左侧下腔静脉病例可能由于血流变化和/或相关血管受压而增加患者发生血栓栓塞的易感性。
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