Scientific publications

Migrating azygos vein and vanishing azygos lobe: MDCT findings

Villanueva A, Cáceres J, Ferreira M, Broncano J, Pallisa E, Bastarrika G [SP].
Department of Radiology, Clínica Universidad de Navarra, 36 Avenida Pío XII, 31008 Pamplona, Spain

Magazine: AJR. American journal of Roentgenology

Date: Mar 1, 2010

Radiology [SP]

OBJECTIVE
The purpose of this study was to describe six cases of migrating azygos vein and to explain the etiologic factors that contribute to the migration. Six patients with migrating azygos vein were studied by MDCT before and after migration. Five patients had right pneumothorax. All patients had repeated episodes of cough, vomiting, and a short mesoazygos.

CONCLUSION
Pneumothorax, increased intrathoracic pressure, and a short mesoazygos, in combination or alone, are the main factors in azygos vein migration.

CITATION  AJR Am J Roentgenol. 2010 Mar;194(3):599-603

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