Aortic aneurysm, Aortenaneurysma, axial section of the middle abdomen, on the right image with power Doppler effect
An aortic aneurysm can develop in different sections (e.g. ascendent aorta, aortic arch, descendent aorta, or abdominal aorta). Moreover, it is to be differentiated between false and genuine aneurysms.
A simpler clinical differentiation is possible: