16 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
atenuation and areas ... Fibrosis and parenchymal ... The HRCT shows a ... Radiology #CXR #CTChest ... #RadiologyAssistant
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 ... Clinical #Radiology #HRCT ... #CTChest #HighAttenuation ... Comparison #Table #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... distribution: Hypersensitivity ... Diagnosis #Radiology #Pulmonary ... #CTChest #GGO # ... #Differential #RadiologyAssistant
This patient presented with acute dyspnoe and a normal chest film (not shown).
The HRCT at presentation
The HRCT at presentation ... shows lobular areas ... A control HRCT ten ... Clinical #Radiology #CTChest ... HypersensitivityPneumonitis #Resolution #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
Differential diagnosis of Hypersensitivity ... show very similar HRCT ... In chronic HP fibrotic ... Diagnosis #Radiology #CTChest ... #Mimic #ILD #RadiologyAssistant
On the left two different patients with similarl HRCT findings.
The left one is a smoker with
with similarl HRCT ... the right has hypersensitivity ... the well defined areas ... Clinical #Radiology #CTChest ... HypersensitivityPneumonitis #ILD #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
combinations of fibrosis ... morphologic findings on HRCT ... Diagnosis #Radiology #Pulmonary ... #CTChest #Idiopathic ... ILD #Findings #RadiologyAssistant
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
The HRCT shows diffuse ... areas of ground-glass ... abnormalities and signs of fibrosis ... Clinical #Radiology #CTChest ... DesquamativeInterstitialPneumonia #ILD #RadiologyAssistant
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... Causes: • Cystic fibrosis ... tracheobronchomegaly) • Hypersensitivity ... evidence of cystic fibrosis ... Diagnosis: • HRCT
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Chronic hypersensitivity ... Signs of fibrosis ... Clinical #Radiology #CTChest ... HypersensitivityPneumonitis #Fibrosis ... #RadiologyAssistant