Modality: CT (C+ CTPA)

- “ Unusual reflux of contrast into the azygos system, highlighting its anatomy on the CTPA study.  This case has a common configuration of a common ...”

Used in the following article:

  • Azygos vein - “ The azygos vein is a unilateral vessel that ascends in the thorax to the right side of the vertebral column, carrying deoxygenated blood from the ...”
  • Hemiazygos vein - “ The hemiazygos vein is the asymmetric counterpart to the azygos vein and forms part of the azygos venous system.  Gross anatomy Origin The hemi...”
  • Accessory hemiazygos vein - “ The accessory (or superior) hemiazygos vein forms part of the azygos system and along with the hemiazygos vein, it is partially analogous to the r...”
  • Left superior intercostal vein - “ The left superior intercostal vein drains the left posterosuperior hemithorax and is considered to be part of the azygos venous system even though...”
  • Azygos venous system - “ The azygos (venous) system is a collective term given to the H-shaped configuration of the azygos, hemiazygos, accessory hemiazygos veins and left...”

View full size version of Azygos venous system anatomy (CT pulmonary angiography)

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