Aortic aneurysm. Coloured computed tomography (CT) angiogram of a section through the chest of a 43-year-old patient,with an aneurysm (arrows) in the right aortic arch. The lungs (left and right),trachea (dark,vertical,centre) and bronchi (dark,centre left and right) can also be seen. An aneurysm is a blood-filled dilation in a blood vessel wall. It is caused by a weakening of the vessel wall,which may be caused by hardening of the vessel (atherosclerosis),high blood pressure or injury. If left untreated an aneurysm can rupture,which is often fatal | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Zephyr |
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