16 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
pneumonitis are: Mosaic pattern ... Fibrosis and parenchymal ... 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
Chronic eosinophilic ... end-stage with massive fibrosis ... consolidation #Clinical ... #Radiology #HRCT ... #CTChest #HighAttenuation
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Acute Eos PNA • Chronic ... Pneumonia, COP, Chronic ... #CT #Patterns # ... #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 ... in ground glass pattern ... predominance: UIP ... #Pulmonary #CTChest ... #GroundGlass #Differential
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
UIP UIP is a histologic ... fibrosis. ... On a chest X-ray ... attributed to chronic ... #Clinical #Radiology
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
HP (right) Differential ... In chronic HP fibrotic ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Fibrosis #Mimic
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
in chronic hypersensitivity ... patients with a UIP ... disease in the differential ... #Clinical #Radiology ... #CTChest #DrugInduced
Usual Interstitial Pneumonia (UIP) pattern on Chest CT
75 M with progressive dyspnea. Typical usual interstitial pneumonia
) pattern on Chest ... ) pattern: - Subpleural ... Idiopathic pulmonary fibrosis ... #IPF #ChestCT #radiology ... #pulmonary #clinical
On the left a patient with GGO as dominant pattern.
In addition there is traction bronchiectasis indicating
GGO as dominant pattern ... As in UIP (usual ... from that seen in UIP ... #Clinical #Radiology ... #CTChest #NSIP
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
second reticular pattern ... low attenuation pattern ... composed of dense fibrous ... #Clinical #Radiology ... #CTChest #Honeycombing