11 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... Chronic eosinophilic ... end-stage with massive fibrosis ... Chronic eosinophilic ... Comparison #Table #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
HRCT as seen in fibrosis ... disease (i.e. fibrosis ... in ground glass pattern ... predominance: UIP ... #Differential #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
pneumonitis are: Mosaic pattern ... atenuation and areas ... shows a mosaic pattern ... #Clinical #Radiology ... #Fibrosis #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
combinations of fibrosis ... vascular diseases (e.g ... findings of NSIP, UIP ... #Diagnosis #Radiology ... ILD #Findings #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
fibrosis. ... attributed to chronic ... #Clinical #Radiology ... #Interstitial # ... #RadiologyAssistant
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
and non-specific interstitial ... in chronic hypersensitivity ... patients with a UIP ... #Clinical #Radiology ... #RadiologyAssistant
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 ... GroundGlass #GGO #RadiologyAssistant
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
second reticular pattern ... composed of dense fibrous ... feature of usual interstitial ... #Clinical #Radiology ... UsualInterstitialPneumonia #RadiologyAssistant
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... with subsequent fibrosis ... The histologic pattern ... #Clinical #Radiology ... AcuteInterstitialPneumonia #ILD #RadiologyAssistant
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
shows diffuse areas ... and some mosaic pattern ... abnormalities and signs of fibrosis ... smoking #Clinical #Radiology ... DesquamativeInterstitialPneumonia #ILD #RadiologyAssistant