12 results
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
The differential ... diagnosis is hypersensitivity ... thromboembolic disease ... are confluent, HRCT ... #CTChest #GGO #
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... #Clinical #Diagnosis ... #CTChest #Nodular ... #Comparison #Table ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... patterns: reticular, nodular ... low attenuation (table ... #Diagnosis #Radiology ... #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... pneumonitis, Respiratory ... bronchiolitis #Diagnosis ... #CTChest #GGO # ... #RadiologyAssistant
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... named Hamman Rich Pneumonitis ... #CTChest #AIP # ... AcuteInterstitialPneumonia ... #ILD #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
pneumonias (IIPs ... listed in the table ... on HRCT and histology ... #Diagnosis #Radiology ... #Pulmonary #CTChest
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Lymphangitic Carcinoma, Interstitial ... Low Attenuation Nodular ... Pneumonitis, Respiratory ... Hemorrhage, Edema • Consolidation ... #radiology
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
diagnosis of Hypersensitivity ... Pneumonitis. ... show very similar HRCT ... findings ... #Radiology #CTChest
Based on the images alone, it is usually not possible to determine the cause of the
non-pulmonary findings ... Infarction - peripheral ... interstitial lung ... disease, that is ... #Clinical #Diagnosis
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
lung disease, it ... a predominant finding ... diagnosis (Table ... #Diagnosis #Radiology ... #Pulmonary #HRCT