Fig. 3From: Ascending aorta pseudoaneurysm simulating mediastinal lymphoma in computed tomography, a possible diagnostic error: a case reportComputed tomographic scan. Hypodense area in the basal scan (a) in the periprosthetic site at the level of the anterior mediastinum, not characterized by significant contrast enhancement in the only arterial acquisition phase (b) carried out (HU (Hounsfield Unit) 37 without contrast medium; HU (Hounsfield Unit) 104 in arterial phase)Back to article page