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Azygos lobe

Herzog LBH - MedPix

View Article: MedPix Image - MedPix Case

Affiliation: Tripler Army Medical Center

ABSTRACT

Diagnosis: Azygos lobe

History: 20yo Man s/p MVA

Findings: The mediastinum appears widened without evidence of rib fractures nor an apical cap. On a subsequent non-contrast CT of the chest there is an incidental azygous fissure and associated vein which cause the apparent mediastinal widening on plain radiography. No aortic transection or pseudoanyeursm is evident.

Ddx: A diffential diagnosis for mediastinal widening would include rupture of the aorta and/or brachicephalic arteries/veins, aortic anyeursm/pseudoanyeursm, prominence of the SVC, rupture of the esophagus or thoracic duct, adenopathy, bronchogenic duplication cyst, tumor/inflamation, or prominence of the azygous vein.

Exam: Currently hemodynamically stable with no direct chest trauma evident.

No MeSH data available.


As the lung develops, the azygous arch normally migrates medial to the right upper lobe (RUL).  An anomalous azygous vein and arch may migrate through the developing lung, pulling down a double layer of both parietal pleura and visceral pleura - creating an \"azygous fissure\" - with the vein located at the bottom.
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MPX1620_synpic58623: As the lung develops, the azygous arch normally migrates medial to the right upper lobe (RUL). An anomalous azygous vein and arch may migrate through the developing lung, pulling down a double layer of both parietal pleura and visceral pleura - creating an \"azygous fissure\" - with the vein located at the bottom.


Azygos lobe

Herzog LBH - MedPix

As the lung develops, the azygous arch normally migrates medial to the right upper lobe (RUL).  An anomalous azygous vein and arch may migrate through the developing lung, pulling down a double layer of both parietal pleura and visceral pleura - creating an \"azygous fissure\" - with the vein located at the bottom.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=MPX1620&req=5

MPX1620_synpic58623: As the lung develops, the azygous arch normally migrates medial to the right upper lobe (RUL). An anomalous azygous vein and arch may migrate through the developing lung, pulling down a double layer of both parietal pleura and visceral pleura - creating an \"azygous fissure\" - with the vein located at the bottom.

View Article: MedPix Image - MedPix Case

Affiliation: Tripler Army Medical Center

ABSTRACT

Diagnosis: Azygos lobe

History: 20yo Man s/p MVA

Findings: The mediastinum appears widened without evidence of rib fractures nor an apical cap. On a subsequent non-contrast CT of the chest there is an incidental azygous fissure and associated vein which cause the apparent mediastinal widening on plain radiography. No aortic transection or pseudoanyeursm is evident.

Ddx: A diffential diagnosis for mediastinal widening would include rupture of the aorta and/or brachicephalic arteries/veins, aortic anyeursm/pseudoanyeursm, prominence of the SVC, rupture of the esophagus or thoracic duct, adenopathy, bronchogenic duplication cyst, tumor/inflamation, or prominence of the azygous vein.

Exam: Currently hemodynamically stable with no direct chest trauma evident.

No MeSH data available.