19 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
lung disease comes ... there are four patterns ... lung disease and ... pattern can be ... seen and in many cases
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Thickening of the interstitium ... the alveoli) or interstitial ... lung disease (i.e ... in ground glass pattern ... GroundGlassOpacity #GroundGlass
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... indicates unknown cause ... and interstitial ... have specific patterns ... realise, that these patterns
On the left a patient with GGO as dominant pattern.
In addition there is traction bronchiectasis indicating
GGO as dominant pattern ... This case is one ... of the possible patterns ... relatively uniform pattern ... NonspecificInterstitialPneumonia #GroundGlass
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
demonstrates a reticular interstitial ... pattern with a ... preference at the lung ... bases. ... #Pattern #Honeycombing
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
is a histologic pattern ... as a reticular pattern ... at the lung bases ... This pattern was ... UIP #Reticular #Interstitial
Here another case of hypersensitivity pneumonitis.
There is a mosaic pattern.
Some secundary lobules demonstrate ground-glass opacity due
Here another case ... There is a mosaic pattern ... opacity due to lung ... HypersensitivityPneumonitis #Mosaic #GroundGlass
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
BOOP • Type of interstitial ... malignancy and other interstitial ... Unknown • 6-7 cases ... consolidation and GG pattern ... CAP, Idiopathic interstitial
COVID-19 Chest CT - Case 4

Main aspects of the image: multiple opacities in the glass and
-19 Chest CT - Case ... periphery of two lungs ... a multilobular pattern ... mosaic paving (case ... #CriticalCare #GroundGlass
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... In most cases small ... peribronchovascular interstitium ... structures of the lung ... NodularPattern #Nodular #Pattern