Mediastinal Mass – Middle

Everything from the heart and great vessels to a line 1 cm posterior to the anterior border of the thoracic vertebral bodies. Look for: Esophageal carcinoma, esophageal duplication cyst Metastatic disease Lymphadenopathy (all causes) Hiatus hernia Bronchogenic...

Pulmonary Nodules

This image shows a pulmonary nodule in the right upper lung. Differential diagnosis of pulmonary nodules includes: Malignancy (primary or metastatic) Benign neoplasm: hamartoma, bronchial adenoma Granuloma Simulated: nipple, bone lesion, skin lesion, foreign body,...

Pulmonary Edema – Peribronchial Cuffing

Pulmonary Edema: Pulmonary edema is a redistribution of vascular fluid into the interstitium first, and then possibly the alveoli. The causes can be cardiogenic, renal failure, or due to respiratory conditions like ARDS. Peribronchial Cuffing: Normal bronchi do not...

Pulmonary Edema – Kerly B Lines

Kerly lines result fomr thickened connective tissue planes occurring as a result of pulmonary edema or carcinomatosis. Kerly A Lines: Radiate towards hila in mid- and upper-lung zones, 3-4 cm long, smaller than vascular markings (not useful) Kerly B Lines: Horizontal,...