Idiopathic Azygos Phlebectasia Simulating Mediastinal Tumor

Autor: Allan E. Bloomberg, Wilhelm Z. Stern
Rok vydání: 1961
Předmět:
Zdroj: Radiology. 77:622-625
ISSN: 1527-1315
0033-8419
Popis: The roentgen appearance of the normal azygos vein was first described by Ottonello in 1932. It casts an ovoid or almond-shaped shadow in the right tracheobronchial angle, seen to best advantage on frontal laminagrams of the chest. The width of the normal azygos vein in adults has been reported not to exceed 6 mm. (Fleischner and Udis). Dilatation of the azygos vein has been described under various pathologic circumstances, including right-sided heart failure, portal venous hypertension, obstruction of the superior or inferior vena cava, and absence of the inferior vena cava. Particularly in the latter case, the azygos and hemiazygos venous systems may serve as important collateral channels for return of blood to the right side of the heart. It is our purpose to record the case of a healthy 19-year-old white male who was rejected from military service because a routine induction chest roentgenogram revealed a “mediastinal tumor” (Fig. 1). At a subsequent exploratory thoracotomy, a huge azygos vein was foun...
Databáze: OpenAIRE