Idiopathıc pulmonary artery aneurysm.

Abstract

Pulmonary artery aneurysms are rare pathologic conditions of the thoracic cavity. The ıdiopathic form of the disease is reported very rarely. We report the case of a 16-year-old girl with idiopathic pulmonary artery aneurysm with surface rendered 3-dimensional images of 64-slice computed tomography. A right-sided aortic arch with normal aortic branching was seen. The main pulmonary artery was moderately dilated, and there was aneurysmal dilatation of the right pulmonary artery from its origin to the level of the right descending pulmonary artery. The maximal diameter of the main pulmonary artery was 38 mm; that of the right pulmonary artery was 31 to 34 mm. The left pulmonary artery was of normal diameter (18.5 mm). There was no other accompanying abnormality. Because the patient had no severe symptoms and there were no signs of aneurysmic compression or a shunt, she was scheduled for elective aneurysmectomy.