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The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
vascular diseases (e.g ... findings of NSIP, UIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... ILD #Findings #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
lung disease (i.e ... predominance: UIP ... bronchiolitis #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... mass - Solitary Pulmonary ... Atelectasis #Diagnosis #Clinical ... #Radiology #CXR ... Consolidation #Patterns #RadiologyAssistant
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
subpleural and basal lung ... #Clinical #Radiology ... #CTChest #UIP # ... UsualInterstitialPneumonitis #Usual #Interstitial ... Pneumonitis #ILD #RadiologyAssistant
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung ... #Clinical #Diagnosis ... #Radiology #CTChest ... Comparison #LAM #LIP ... Histiocytosis #RadiologyAssistant
Typical UIP with honeycombing and traction bronchiectasis in a patient with idiopathic pulmonary fibrosis (IPF) #Clinical
Typical UIP with ... with idiopathic pulmonary ... fibrosis (IPF) #Clinical ... #Radiology #CTChest ... #RadiologyAssistant
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
subpleural and basal lung ... #Clinical #Radiology ... #CTChest #UIP # ... UsualInterstitialPneumonitis #Usual #Interstitial ... LowerLungPredominance #ILD #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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- Emphysema - Lung ... cysts (LAM, LIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Emphysema #SignetRing #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
lung disease comes ... in many cases UIP ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
preference at the lung ... #Clinical #Radiology ... #CXR #UIP #CTChest ... #Reticular #Interstitial ... TractionBronchiectasis #RadiologyAssistant