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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Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... consolidation - Diffuse ... Interstitial - Reticular ... - Multiple Masses ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
about imaging findings ... : reticular, nodular ... low attenuation (table ... UIP can be suspected ... #Differential #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... of NSIP, UIP, OP ... and LIP have been ... #Findings #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
resulting in lobar, diffuse ... or multifocal ill-defined ... fine or coarse reticular ... the amount of air ... #RadiologyAssistant
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
a patient with DIP ... The HRCT shows diffuse ... and some mosaic pattern ... Reticular abnormalities ... Radiology #CTChest #DIP
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
interstitial pneumonia (AIP ... The histologic pattern ... in AIP are indistinguishable ... the diagnosis AIP ... Radiology #CTChest #AIP
On the left a chest film of a patient with UIP due to IPF.
The findings on
a patient with UIP ... The findings on ... preference also think 'UIP ... #CXR #CTChest #UIP ... #ILD #RadiologyAssistant
In the images on your left you can appreciate again the spectrum of findings seen in
the spectrum of findings ... pattern. ... , excluding UIP ... NonspecificInterstitialPneumonia #ILD ... #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... : reticular nodular ... there additional findings ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
pneumonitis The key findings ... opacity (80% of cases ... ) or mosaic pattern ... bronchiolitis with air ... Centrilobular #RadiologyAssistant