Fig. 6
From: Imaging features and differential diagnoses of non-neoplastic diffuse mediastinal diseases
Post-operative changes versus mediastinitis. Similarities of CT aspects in two different conditions: normal post-operative appearance of the mediastinum during the first 2–3 weeks after Bentall surgery (a) and mediastinitis (b), both presenting as an increased attenuation of fat. In addition, the careful analysis of bone and cartilage, which is required in all cases of acute mediastinitis using bone-windowing, is well demonstrated in these two different cases with cartilage abscess (c) and sternal osteitis (d), respectively