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Radiology News


The Azygos lobe

NEJM features a case of azygos lobe with fissure along with metastatic nodule from osteogenic sarcoma, check out images and case details here-
NEJM-Azygos lobe

What is azygos lobe?

"Abnormal fissures and lobes of the lungs are common and usually insignificant. A lobe of the azygos vein appears in the right lung in about 1 percent of people. It develops when the apical bronchus grows superiorly medial to the arch of the azygos vein instead of lateral to it. As a result, the azygos vein comes to lie at the bottom of a deep fissure in the superior lobe of the right lung."
The Azygos lobe Reviewed by Sumer Sethi on Thursday, May 17, 2007 Rating: 5

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