9 results
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... bronchiolitis #Diagnosis #Radiology ... #Pulmonary #CTChest ... #GroundGlass #Differential ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
On a Chest X-Ray ... in many cases UIP ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... Alveolar proteinosis ... #Clinical #Radiology ... #Pulmonary #CTChest ... Comparison #Table #RadiologyAssistant
Crazy Paving is a combination of ground glass opacity with superimposed septal thickening (5).
It was first
Bronchoalveolarca (BAC) - Pulmonary ... failure, ARDS, AIP ... ) #Clinical #Radiology ... #CTChest #CrazyPaving ... #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
HP (right) Differential ... proteinosis. ... show very similar HRCT ... #Clinical #Diagnosis ... #Radiology #CTChest
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
pattern of pulmonary ... On a chest X-ray ... #Clinical #Radiology ... #CXR #UIP #Reticular ... #Honeycombing #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
gravitational and ... Alveolar proteinosis ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
alveolar proteinosis ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #Reticular ... #RadiologyAssistant
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
there is a broad differential ... patient was coughing up ... #Clinical #Radiology ... #CTChest #RBILD ... RespiratoryBronchiolitis #ILD #RadiologyAssistant