SAYER WILLIAM J.; LOREN F. PARMLEY JR.; JOHN DE L. S. MORRIS
The normal azygos vein produces a recognizable radiographic shadow in a variable number of posterior-anterior chest roentgenograms.1 Less frequently the x-ray image of a dilated azygos vein has been mistaken for a mediastinal tumor.2, 3, 4, 5 In fact, on occasion, patients with subsequently proved intrathoracic azygos phlebectasia or other vascular abnormalities have received the "therapeutic trial" of irradiation therapy2, 5, 6, 7 so recently deprecated by Peabody.8
This report is concerned with two illustrative case histories, the basic etiology of azygos phlebectasia, and the specific methods of differentiating this entity from a true mediastinal tumor.
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WILLIAM J. S, PARMLEY LF, MORRIS JDLS. MEDIASTINAL TUMOR SIMULATED BY AZYGOS PHLEBECTASIA(MEDIASTINAL TUMOR SIMULATED BY AZYGOS PHLEBECTASIA*). Ann Intern Med. 1954;40:175–182. doi: 10.7326/0003-4819-40-1-175
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Published: Ann Intern Med. 1954;40(1):175-182.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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