11 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
there are four patterns ... : reticular, nodular ... low attenuation (table ... histiocytosis or honeycombing ... seen and in many cases
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... - Reticular interstitial ... Nodule or mass ... - Multiple Masses ... Consolidation #Patterns
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
interstitial pattern ... preference at the lung bases ... HRCT demonstrates honeycombing ... #Interstitial # ... Pattern #Honeycombing
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... Non specific interstitial ... bronchiectasis, no honeycombing ... HighAttenuation #Pattern ... #Comparison #Table
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
is a histologic pattern ... pattern at the ... This pattern was ... #Interstitial # ... Pattern #Honeycombing
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT Patterns ... Diagnosis Framework Reticular ... Lymphangitic Carcinoma, Interstitial ... Low Attenuation Nodular ... HighRes #Chest #CT #Patterns
The distribution of nodules shown on HRCT is the most important factor in making an accurate
pattern. ... In most cases small ... peribronchovascular interstitium ... #Pattern #Distribution ... Perilymphatic #Comparison
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 ... Nodular or irregular
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... peribronchovascular interstitium ... HRCT #CTChest #Reticular ... #Pattern #Comparison ... #Table #RadiologyAssistant
Key findings in alveolar proteinosis
- Crazy paving pattern: reticular pattern superimposed on ground glass opacification.
- Opacifications
- Crazy paving pattern ... : reticular pattern ... interlobular and intra-lobular ... This is caused by ... transported to the interstitium