14 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
with areas of ground-glass ... atenuation and areas ... shows a mosaic pattern ... #Clinical #Radiology ... #CXR #CTChest #
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... end-stage with massive fibrosis ... presenting as areas ... with peripheral areas ... #HRCT #CTChest
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Lymphangitic Carcinoma, Interstitial ... #CT #Patterns # ... Diagnosis #pulmonary #radiology
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 ... in ground glass pattern ... distribution: Hypersensitivity ... #Pulmonary #CTChest
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
combinations of fibrosis ... have specific patterns ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
radiographic findings are areas ... and non-specific interstitial ... in chronic hypersensitivity ... #Clinical #Radiology ... #CTChest #DrugInduced
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
with areas of ground-glass ... attenuation and areas ... Signs of fibrosis ... #Clinical #Radiology ... #CTChest #Chronic
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
and basal lung areas ... #Clinical #Radiology ... #CTChest #UIP # ... UsualInterstitialPneumonitis #Usual #Interstitial ... #Pneumonitis #ILD
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
and basal lung areas ... #Clinical #Radiology ... #CTChest #UIP # ... UsualInterstitialPneumonitis #Usual #Interstitial ... LowerLungPredominance #ILD
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
shows diffuse areas ... and some mosaic pattern ... abnormalities and signs of fibrosis ... #CTChest #DIP # ... DesquamativeInterstitialPneumonia #ILD