Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
: reticular, nodular ... low attenuation (table ... pattern on a CXR ... UIP can be suspected ... #Differential #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... Interstitial - Reticular ... Clinical #Radiology #CXR ... Consolidation #Patterns ... #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
pattern of pulmonary ... fibrosis. ... a reticular pattern ... This pattern was ... #UIP #Reticular
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
pneumonitis are: Mosaic pattern ... shows a mosaic pattern ... and intralobular reticular ... Clinical #Radiology #CXR ... #RadiologyAssistant
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
pattern with a ... preference at the lung bases ... #UIP #CTChest # ... #Pattern #Honeycombing ... TractionBronchiectasis #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... fine or coarse reticular ... Diagnosis #Radiology #CXR ... Consolidation #Patterns ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... combinations of fibrosis ... listed in the table ... have specific patterns ... realise, that these patterns
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
and some mosaic pattern ... Reticular abnormalities ... and signs of fibrosis ... DesquamativeInterstitialPneumonia #ILD ... #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... more than one pattern ... lobar pneumonia caused ... Radiology #Pulmonary #CXR ... #RadiologyAssistant
On the left a chest film of a patient with UIP due to IPF.
The findings on
volume loss and fibrotic ... densities caused ... Clinical #Radiology #CXR ... #Pneumonitis #Reticular ... #ILD #RadiologyAssistant