Absence of the azygos vein

A rare case of the absence of the azygos vein (AV) is presented. Imaging findings on plain chest film and on contrast-enhanced spiral computed tomography (CT) are described, and embryology of azygos and hemiazygos veins (HV) is reviewed. On PA chest radiographs, both the absence of AV shadow on its...

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Veröffentlicht in:	Clinical imaging 2000-05, Vol.24 (3), p.157-158
Hauptverfasser:	Arslan, Gökhan, Çubuk, Metin, Özkaynak, Can, Sindel, Timur, Lüleci, Ersin
Format:	Artikel
Sprache:	eng
Schlagworte:	Azygos vein Azygos Vein - abnormalities Azygos Vein - diagnostic imaging Biological and medical sciences Cardiovascular system Computed tomography Female Hemiazygos vein Humans Investigative techniques, diagnostic techniques (general aspects) Medical sciences Middle Aged Radiodiagnosis. Nmr imagery. Nmr spectrometry Superior intercostal vein Tomography, X-Ray Computed X-ray study
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Beschreibung
Zusammenfassung:	A rare case of the absence of the azygos vein (AV) is presented. Imaging findings on plain chest film and on contrast-enhanced spiral computed tomography (CT) are described, and embryology of azygos and hemiazygos veins (HV) is reviewed. On PA chest radiographs, both the absence of AV shadow on its usual location and the presence of the aortic nipple may consider agenesis of AV, and this anomaly can be easily confirmed by CT.
ISSN:	0899-7071 1873-4499
DOI:	10.1016/S0899-7071(00)00191-1