Diagnostic Radiology/Chest Imaging/Mediastinal Masses

State the anatomic boundaries of the anterior, middle, posterior and superior mediastinum Name the four most common causes of an anterior mediastinal mass and localize a mass to the anterior mediastinum on a radiograph, chest CT and chest MRI Name the three most common causes of a middle mediastinal mass and localize a mass in the middle mediastinum on a radiograph, chest CT and chest MRI Name the most common cause of a posterior mediastinal mass and localize a mass in the posterior mediastinum on a radiograph, chest CT and chest MRI Name two causes of a mass that straddles the thoracic inlet and localize a mass to the thoracic inlet on a radiograph, chest CT and chest MRI Identify normal vessels or vascular abnormality on chest CT and chest MRI that may mimic a solid mass Name five etiologies of bilateral hilar lymph node enlargement State the three most common locations (Garland's triad) for lymph node enlargement to occur in the chest of patients with sarcoidosis List the four most common etiologies of "egg-shell" calcified lymph nodes in the chest Recognize a cystic mass in the mediastinum and suggest the possible diagnosis of a bronchogenic, pericardial, thymic or esophageal duplication cyst