15 results
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
(COP), chronic ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #Table ... Central #Peripheral #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Cryptogenic organizing pneumonia ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table ... #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... The old name is ... #Diagnosis #Radiology ... #Differential #Table ... #RadiologyAssistant
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
of organizing pneumonia ... #Clinical #Radiology ... #CTChest #COP # ... RheumatoidArthritis #ILD ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... morphologic findings on HRCT ... of NSIP, UIP, OP ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #Table ... #Upper #Lower #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Chronic eosinophilic pneumonia ... consolidation #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table ... #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in ... cryptogenic organizing pneumonia ... #Clinical #Radiology ... Cryptogenic #Organizing #Pneumonia ... #ILD #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity pneumonitis: ill ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table ... #RadiologyAssistant
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
also organizing pneumonia ... #Clinical #Radiology ... #CTChest #COP # ... Cryptogenic #Organizing #Pneumonia ... #ILD #RadiologyAssistant