We herein report the case of an idiopathic aneurysm of the accessory hemiazygos vein diagnosed by contrast-enhanced computed tomography (CT) and angiography. The patient was asymptomatic, and a posterior mediastinal mass was incidentally found on CT. Because endoscopic ultrasonography showed no thrombus formation in the aneurysm, the patient was therefore managed conservatively.
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| http://dx.doi.org/10.2169/internalmedicine.51.8011 | DOI Listing |
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