11 results
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Interstitial Edema, Alveolar ... Proteinosis, Lymphoma ... Crazy Paving: Alveolar ... Proteinosis, Sarcoidosis ... #radiology
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Cardiogenic pulmonary ... Alveolar proteinosis ... #Clinical #Radiology ... #Pulmonary #CTChest ... Comparison #Table #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
HRCT as seen in fibrosis ... disease (i.e. fibrosis ... bronchiolitis #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #RadiologyAssistant
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
- Alveolar proteinosis ... filling of the alveoli ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
Crazy Paving is a combination of ground glass opacity with superimposed septal thickening (5).
It was first
be specific for alveolar ... proteinosis, but ... Bronchoalveolarca (BAC) - Pulmonary ... AIP) #Clinical #Radiology ... #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
the air in the alveoli ... Even fibrosis as ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
. - Alveolar proteinosis ... In chronic HP fibrotic ... Clinical #Diagnosis #Radiology ... HypersensitivityPneumonitis #Fibrosis ... #Mimic #ILD #RadiologyAssistant
On the left a patient with both septal thickening and ground glass opacity in a patchy
be specific for alveolar ... proteinosis, but ... distress syndrome and pulmonary ... #Clinical #Radiology ... #Proteinosis #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
interstitium by fluid, fibrous ... or lymphoma and alveolar ... proteinosis. ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Cardiogenic pulmonary ... Alveolar proteinosis ... Cardiogenic pulmonary ... #Clinical #Radiology ... Comparison #Table #RadiologyAssistant