12 results
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... Cryptogenic organizing ... Clinical #Radiology #HRCT ... HighAttenuation #Pattern ... #Comparison #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... four patterns: ... low attenuation (table ... The cystic pattern ... Diagnosis #Radiology #Pulmonary
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... mainly seen in cryptogenic ... organizing pneumonia (COP ... #HRCT #ChestCT ... #Differential #Table
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... low attenuation pattern ... on the basis of HRCT ... LowAttenuation #Differential ... #Diagram #Comparison
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... are visible, the pattern ... the nodules are diffuse ... #HRCT #CTChest ... NodularPattern #Nodular #Pattern
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... more than one pattern ... idiopathic it is called cryptogenic ... (COP). ... Diagnosis #Radiology #Pulmonary
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Pneumonia (COP) ... consolidation and GG pattern ... , cavities • HRCT ... lymphoma, Diffuse ... #BOOP #pulmonary
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... have specific patterns ... morphologic findings on HRCT ... idiopathic or cryptogenic ... realise, that these patterns
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Diagnosis #Radiology #Pulmonary ... CTChest #Nodular #Pattern ... NodularPattern #Differential ... #Comparison #Table
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... Cardiogenic pulmonary ... incidental finding in HRCT ... CTChest #Reticular #Pattern ... #Comparison #Table