CXR 胸部x光判讀 aortic dissection

Type A aortic dissection




After operation




Widened superior mediastinum, double aortic knob，displaced intimal calcification

DD with aortic aneurysm, mediastinal tumor, tortuosity of aorta



aortic dissection
http://reference.medscape.com/features/slideshow/aortic-dissection