15 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... consolidation #Clinical #Radiology ... HighAttenuation #Pattern ... #Comparison #Table ... #RadiologyAssistant
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
cardiogenic pulmonary edema ... #Diagnosis #Radiology ... Pulmonary #HRCT #ChestCT ... #Differential #Table ... Central #Peripheral #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... low attenuation areas ... #Clinical #Radiology ... #Comparison #Table ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... On a Chest X-Ray ... detected on a chest ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Aspiration - Pulmonary edema ... #Diagnosis #Radiology ... Pulmonary #HRCT #ChestCT ... #Differential #Table ... #Upper #Lower #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... low attenuation areas ... #Clinical #Radiology ... #Comparison #Table ... #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... Cardiogenic pulmonary edema ... #Clinical #Radiology ... #Comparison #Table ... #RadiologyAssistant
Lung abnormalities mostly present as areas of increased density, which can be divided into the following
the following patterns ... published soon: Chest ... Diagnosis #Pathophys #Radiology ... #CXR #Lung #Patterns ... #RadiologyAssistant
Congestive heart failure (CHF) is the result of insufficient output because of cardiac failure, high resistance
resulting in pulmonary edema ... pressure resulting in edema ... can be seen on a chest-film ... #Diagnosis #Radiology ... Findings #Diagram #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... differential diagnosis (Table ... interstitial pulmonary edema ... Kerley B lines on chest ... #Differential #RadiologyAssistant