17 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
pneumonitis are: Mosaic ... Fibrosis and parenchymal ... The HRCT shows a mosaic ... #Clinical #Radiology ... #CXR #CTChest #
Here another case of hypersensitivity pneumonitis.
There is a mosaic pattern.
Some secundary lobules demonstrate ground-glass opacity due
another case of hypersensitivity ... There is a mosaic ... opacity due to lung ... #Clinical #Radiology ... #CTChest #Hypersensitivity
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
expiratory scan: the mosaic ... Signs of fibrosis ... mid and lower lung ... #Clinical #Radiology ... #CTChest #Chronic
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
80% of cases) or mosaic ... opacity due to lung ... There are ill-defined ... #Clinical #Radiology ... #CTChest #Hypersensitivity
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
Differential diagnosis of Hypersensitivity ... Subacute stage: - RB-ILD ... throughout the whole lung ... Clinical #Diagnosis #Radiology ... #CTChest #UIP #
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
HRCT as seen in fibrosis ... or interstitial lung ... distribution: Hypersensitivity ... bronchiolitis #Diagnosis #Radiology ... #Pulmonary #CTChest
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
appearance of lung ... , as in cystic fibrosis ... ABPA is a hypersensitivity ... #Clinical #Radiology ... #CXR #CTChest #
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... combinations of fibrosis ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Radiation C - Cystic Fibrosis ... H - Hypersensitivity ... caused by a rigid chest ... clearance: - Cystic Fibrosis ... #STARCHASERS #radiology
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
lobes and some mosaic ... abnormalities and signs of fibrosis ... smoking #Clinical #Radiology ... #CTChest #DIP # ... DesquamativeInterstitialPneumonia #ILD