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Here are the most common examples of these four patterns on a chest x-ray (click image
Reticular interstitial ... mass - Solitary Pulmonary ... Masses Atelectasis #Diagnosis ... #Clinical #Radiology ... #Patterns #RadiologyAssistant
On the left a patient who had a CT to rule out pulmonary embolism.
There is a
The diagnosis based ... edema. ... #Clinical #Radiology ... SeptalThickening #CHF ... #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Framework Reticular ... Lymphangitic Carcinoma, Interstitial ... • Consolidation ... #pulmonary #radiology
Based on the images alone, it is usually not possible to determine the cause of the
edema - filling ... this is nodular interstitial ... #Clinical #Diagnosis ... #Radiology #CXR ... #Causes #RadiologyAssistant
CT will also demonstrate signs of congestive heart failure.
On the image on the left notice the
CT will also demonstrate ... the differential diagnostic ... a precursor of consolidation ... #CTChest #CHF # ... #Septal #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... peribronchovascular interstitium ... #Clinical #Radiology ... #Pattern #Comparison ... #Table #RadiologyAssistant
On the left a patient with CHF. 
There is an increase in heart size compared to
redistribution of pulmonary ... flow, interstitial ... edema and some ... #Clinical #Radiology ... #Comparison #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
in a pattern of reticular ... pulmonary edema ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #RadiologyAssistant
Congestive heart failure
The findings are:
 - bilateral perihilar consolidation with air bronchograms and ill-defined borders
 -
bilateral perihilar consolidation ... size - subtle interstitial ... are dealing with pulmonary ... edema due to heart ... #CXR #CHF #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... bronchovascular interstitium ... edema. ... #Differential #Comparison ... #Table #RadiologyAssistant