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Biomedicine

Volume: 42 Issue: 4

  • Open Access
  • Case Report

A unique presentation of anomalous posterior intercostal veins, hemiazygos vein and left superior vena cava

HannahSugirthabai RajilaRajendran, Vaithianathan Gnanasundaram, Thotakura Balaji

Department of Anatomy, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Chennai, Tamil Nadu, India

Corresponding author: Vaithianathan Gnanasundaram. Email: [email protected]

Year: 2022, Page: 828-830, Doi: https://doi.org/10.51248/.v42i4.1168

Abstract

The venous anomalies of thorax are common, but the only drainage of 1st and 2nd posterior intercostal veins on both sides into the internal vertebral venous plexus with no communication to the azygos system is reported for the first time. The common hemiazygos vein is singular receiving all the posterior intercostal veins on the left from 4th to the 11th with subcostal on the left side. This vein drains into azygos on the right. It also connects on the cranial end via an anomalous vein to the Left SVC. This anomalous vein also receives the left 3rd posterior intercostal vein. On the right, the azygos system is normal.

Keywords: Left SVC; hemiazygous vein; posterior intercostal vein.

Cite this article

HannahSugirthabai RajilaRajendran, Vaithianathan Gnanasundaram, Thotakura Balaji. A unique presentation of anomalous posterior intercostal veins, hemiazygos vein and left superior vena cava. Biomedicine: 2022; 42(4): 828-830

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