32 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity pneumonitis ... Hypersensitivity pneumonitis ... #Clinical #Radiology ... Comparison #Table #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
hypersensitivity pneumonitis ... hypersensitivity pneumonitis ... hypersensitivity pneumonitis ... #Clinical #Radiology ... Chronic #Fibrosis #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Hypersensitivity pneumonitis ... edema #Diagnosis #Radiology ... #Upper #Lower #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
specific interstitial pneumonitis ... #Clinical #Radiology ... Comparison #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis ... Hypersensitivity pneumonitis ... Clinical #Diagnosis #Radiology ... Comparison #Table #RadiologyAssistant
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
Interstitial pneumonias ... #Clinical #Radiology ... Pneumonia #PJP #RadiologyAssistant
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
it is seen in pneumonias ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Hypersensitivity pneumonitis ... bronchiolitis #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Ill defined centrilobular nodules of ground glass density in a patient with hypersensitivity pneumonitis #Clinical #Radiology
hypersensitivity pneumonitis ... #Clinical #Radiology ... Hypersenstitivity #Pneumonitis ... Centrilobular #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... #Diagnosis #Radiology ... ILD #Findings #RadiologyAssistant