12 results
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
Central distribution ... mainly seen in cryptogenic ... #Diagnosis #Radiology ... #Differential #Table ... Central #Peripheral #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... edema #Diagnosis #Radiology ... #Differential #Table ... #Distribution # ... Upper #Lower #RadiologyAssistant
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
arthritis and bilateral ... #Clinical #Radiology ... #CTChest #COP #Cryptogenic ... RheumatoidArthritis #ILD ... #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... the pattern of distribution ... idiopathic it is called cryptogenic ... #Diagnosis #Radiology ... #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
restricted to areas ... #Clinical #Radiology ... #CTChest #COP #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 ... perilymphatic distribution ... #Clinical #Radiology ... Pattern #Comparison #Table ... #RadiologyAssistant
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
multiple small bilateral ... #Clinical #Radiology ... #CTChest #COP #Cryptogenic ... Organizing #Pneumonia #ILD ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
perilymphatic distribution ... perilymphatic distribution ... Clinical #Diagnosis #Radiology ... Differential #Comparison #Table ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... idiopathic or cryptogenic ... #Diagnosis #Radiology ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
pulmonary edema: bilateral ... gravitational distribution ... #Clinical #Radiology ... Differential #Comparison #Table ... #RadiologyAssistant