27 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
pneumonitis are: Mosaic pattern ... shows a mosaic pattern ... Radiology #CXR #CTChest ... #Pneumonitis #HypersensitivityPneumonitis ... #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... end-stage with massive fibrosis ... Radiology #HRCT #CTChest ... HighAttenuation #Pattern ... Comparison #Table #RadiologyAssistant
Paradoxic Breathing in Pediatric Respiratory Distress - Improved after nebulizers and HFNC

Inward chest wall movement with
Paradoxic Breathing in Pediatric ... HFNC Inward chest ... #Paradoxical #Pediatrics ... Peds #clinical #Video ... #PhysicalExam #Pattern
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Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
scan: the mosaic pattern ... Signs of fibrosis ... Clinical #Radiology #CTChest ... #Pneumonitis #HypersensitivityPneumonitis ... #Fibrosis #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... result of massive fibrosis ... Radiology #HRCT #CTChest ... HighAttenuation #Pattern ... Comparison #Table #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... low attenuation areas ... Radiology #HRCT #CTChest ... LowAttenuation #Cystic #Pattern ... Comparison #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... low attenuation areas ... Radiology #HRCT #CTChest ... LowAttenuation #Cystic #Pattern ... Comparison #Table #RadiologyAssistant
Here another case of hypersensitivity pneumonitis.
There is a mosaic pattern.
Some secundary lobules demonstrate ground-glass opacity due
There is a mosaic pattern ... Clinical #Radiology #CTChest ... #Pneumonitis #HypersensitivityPneumonitis ... #GroundGlass #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
In chronic HP fibrotic ... Diagnosis #Radiology #CTChest ... Comparison #Chronic #HypersensitivityPneumonitis ... #Fibrosis #Mimic ... #ILD #RadiologyAssistant
This patient presented with acute dyspnoe and a normal chest film (not shown).
The HRCT at presentation
dyspnoe and a normal chest ... shows lobular areas ... Clinical #Radiology #CTChest ... #Pneumonitis #HypersensitivityPneumonitis ... #Resolution #RadiologyAssistant