Mediastinal Widening - Differential Diagnosis • Vascular: Aortic dissection, Aortic anourysm, Enlarged pulmonary arteries, Venous or arterial great vessel congential abnormality (ex: duplicated SVC) • Pulmonary: Upper or middle lobe collapse, Atelectasis, Nodule / mass • Masses: Anterior mediastinal (Thymoma, Thyroid, Lymphoma, Germ cell tumor), Middle mediastinal, Posterior mediastinal • Lymphadenopathy • Pericardial: Pneumomediastinum, Pericardial effusion • CXR rotation By @PulmPEEPs #Mediastinal #Widening #Differential #Diagnosis #pulmonary #radiology
