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Case report
Submitted: 2023-02-16
Accepted: 2023-03-26
Published online: 2023-05-05
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The azygos lobe, an incidental finding in computer tomography

Ewa Toruńska1, Łukasz Klepacki1
Affiliations
  1. Department of Anatomy, Collegium Medicum, University of Warmia and Mazury, Olsztyn, Poland

open access

Ahead of Print
CASE REPORTS
Submitted: 2023-02-16
Accepted: 2023-03-26
Published online: 2023-05-05

Abstract

The azygos lobe is an anatomical variant of the upper lobe, which occurs most often in the right lung. Atypical course of the azygos vein is formed during embryogenesis, while the precursor of this vein migrates through the lung and creates the azygos fissure. Despite its rare occurrence, this variation is well described. This article presents a case of 62-year-old male with the azygos lobe, which was found accidentally in the computer tomography. The knowledge about the azygos vein is significant for surgeons, because it might reduce iatrogenic damage and help them avoid unexpected bleeding during thoracic surgery. The azygos vein might be confused with pathological conditions. It might also be associated with lung cancers, pneumothorax and congenital abnormalities. Despite the fact that the azygos lobe is well known variant, dissemination of knowledge about it is still inadequate.

Abstract

The azygos lobe is an anatomical variant of the upper lobe, which occurs most often in the right lung. Atypical course of the azygos vein is formed during embryogenesis, while the precursor of this vein migrates through the lung and creates the azygos fissure. Despite its rare occurrence, this variation is well described. This article presents a case of 62-year-old male with the azygos lobe, which was found accidentally in the computer tomography. The knowledge about the azygos vein is significant for surgeons, because it might reduce iatrogenic damage and help them avoid unexpected bleeding during thoracic surgery. The azygos vein might be confused with pathological conditions. It might also be associated with lung cancers, pneumothorax and congenital abnormalities. Despite the fact that the azygos lobe is well known variant, dissemination of knowledge about it is still inadequate.

Get Citation

Keywords

azygos lobe, azygos fissure, azygos vein, anatomical variation

About this article
Title

The azygos lobe, an incidental finding in computer tomography

Journal

Folia Morphologica

Issue

Ahead of Print

Article type

Case report

Published online

2023-05-05

Page views

398

Article views/downloads

290

DOI

10.5603/FM.a2023.0033

Pubmed

37183517

Keywords

azygos lobe
azygos fissure
azygos vein
anatomical variation

Authors

Ewa Toruńska
Łukasz Klepacki

References (21)
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