Figure
5. Chest CT angiogram revealing well-defined anterior mediastinal soft
tissue density mass lesion of about 84.9x67.2mm seen at aorto-pulmonary
window with mass effect compression of the main pulmonary artery and
Proximal ascending aorta( red arrows and cross).
After a multidisciplinary team meeting involving a cardiothoracic
surgeon, anaesthesiologist, cardiologist, and the patient with her
family, it was decided to proceed with open heart surgery.
During the surgery, an aneurysm in the aortic wall near the sinus of
Valsalva was discovered (see figures 6 and 7).