Fig. 5
From: Imaging features and differential diagnoses of non-neoplastic diffuse mediastinal diseases
Infectious mediastinitis. Acute, descending, necrotizing mediastinitis related to an oropharyngeal infection treated with non-steroidal anti-inflammatory drugs and antibiotics. Latero-pharyngeal (a) and median and right-sided mediastinum are (c) hypodense, with peripheral enhancement collections in coronal reformatting and bilateral pleural effusion and passive atelectasis (c); pleural effusion with parietal pleural enhancement related to bilateral empyema and pericardial effusion, and parietal pericardial enhancement related to purulent pericardial effusion on axial (b) and coronal views (d)