Aortic dissection with aortopulmonary artery fistula.

Rupture and dissection are the most dreaded complications of thoracic aortic aneurysm. Aortic dissection causing aortopulmonary artery fistulae is extremely rare. Here we report a case of chronic (type B) aortic dissection with fistulous communication between true lumen and main pulmonary artery.