by Tim Milligan | Nov 12, 2015 | Mediastinum
Radiologists divide the mediastinum into 3 compartments. The most popular classification is Felson’s division of the thorax into the following 3 compartments: Anterior: Everything from the sternum to the posterior aspect of the heart and great vessels. Middle: The...
by Tim Milligan | Nov 12, 2015 | Mediastinum
There is a large mass in this patient’s anterior mediastinum. The differential diagnosis for such a mass includes: lymphomA lung cancer aortic aneurysm or other vascular abnormality abscess hematoma teratoma, thyroid, parathyroid or thymic neoplasm thymic or...
by Tim Milligan | Nov 12, 2015 | Interstitial Disease
The reticular appearance refers to a collection of innumerable small linear opacities that together produce an appearance resembling a “net”. The pattern can be fine, medium or coarse. Fine and medium patterns are shown here. Reticular patterns represent...
by Tim Milligan | Nov 12, 2015 | Interstitial Disease
Bilateral interstitial and alveolar infiltrates with typical sparing of apices. Arrow showing pneumothorax.
by Tim Milligan | Nov 12, 2015 | Interstitial Disease
Peribronchial cuffing (arrow) occurs when interstitial fluid accumulates around a bronchus. Peribronchial cuffing is present if the bronchial wall is thicker than the tracing of a well-sharpened pencil. [Courtesy of Dr. N. Jaffer]
by Tim Milligan | Nov 12, 2015 | Interstitial Disease
Kerley B lines represent thickened connective tissue planes, for example due to edema of the septal lines of secondary lobules. They are most commonly due to pulmonary edema or lymphangitic carcinomatosis. Kerley B lines are horizontal, <2 cm long and 1 mm thick,...
