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Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... consolidation - Multifocal ill-defined ... - Reticular interstitial ... Diagnosis #Clinical #Radiology ... Consolidation #Patterns
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
imaging findings in interstitial ... low attenuation (table ... whether there is interstitial ... is reticular. ... #Diagnosis #Radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
heterogenous group of disorders ... listed in the table ... have specific patterns ... #Diagnosis #Radiology ... IdiopathicInterstitialPneumonia #ILD
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... or multifocal ill-defined ... opacities. 2- Interstitial ... fine or coarse reticular ... #Diagnosis #Radiology
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung interstitium ... cells results in a pattern ... of reticular opacities ... differential diagnosis (Table ... #Diagnosis #Radiology
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
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... : reticular nodular ... bronchiectasis) #Diagnosis #Radiology ... Interpretation #Algorithm ... #ILD #RadiologyAssistant