Pulmonary artery (PA) dissection is uncommon and may lead to rupture and sudden death if encountered. A 63-year-old man presented to our emergency room with episodic left chest pain radiating to the back followed by shortness of breath. A 64-row multidetector computed tomography (MDCT) revealed ruptured dissection of the PA and the aorta with hemopericardium, hemomediastinum, and prominent extravasated blood along the central bronchovascular bundles of both lungs. The patient experienced cardiogenic shock immediately following CT study and died after resuscitation. Concomitant PA and aortic dissection with rupture is extremely rare with the pathogenesis remaining investigated. MDCT proves to be a powerful tool in its diagnosis for a timely surgical repair if the patient could survive to have the operation.
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