Introduction:

azygos vein aneurysms are extremely rare. To date, no more than 57 cases have been reported.

Case report:

herein we report a 45-year-old woman whose CT-scan, during a routine health examination for non-Hodgkin lymphoma, showed a 6 cm paratracheal mass compatible with aneurysm of the azygos vein. The stability of the aneurysm was confirmed during the first three years of follow-up. On the fourth year, however, the CT-scan showed a spontaneous occlusion and intraluminal thrombosis.

Discussion:

to date, no guidelines or reviews exist on the optimal treatment strategies for these patients due to the infrequent nature of the disease.

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