Incidental Finding of Azygous Vein Aneurysm on the Background of Myasthenia Gravis-Is It a Wolf in Sheep's Coat?

Azygous vein aneurysm is an extremely rare clinical manifestation and often an incidental diagnosis. This could be idiopathic or secondary to a sinister pathology causing increasing central venous pressure. There is no definitive treatment guidance available due to its rare nature. Vascular interventions and anticoagulation are suggested in complex situations.