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
lung disease comes ... low attenuation (table ... lung disease and ... UIP can be suspected ... #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
UIP UIP is a histologic ... pattern of pulmonary ... at the lung bases ... #Interstitial # ... #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
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... have specific patterns ... realise, that these patterns ... findings of NSIP, UIP ... , OP and LIP have
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... cysts (LAM, LIP ... low attenuation pattern ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
lung disease (i.e ... in ground glass pattern ... predominance: UIP ... , NSIP, DIP. - Centrilobular ... #Differential #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... opacities. 2- Interstitial ... Diagnosis #Radiology #CXR ... Consolidation #Patterns ... #RadiologyAssistant
On the left a patient with GGO as dominant pattern.
In addition there is traction bronchiectasis indicating
GGO as dominant pattern ... of the possible patterns ... relatively uniform pattern ... As in UIP (usual ... from that seen in UIP
On the left a chest film of a patient with UIP due to IPF.
The findings on
a patient with UIP ... reticular densities caused ... preference also think 'UIP ... Clinical #Radiology #CXR ... #CTChest #UIP #
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... pneumonia (AIP, ... The histologic pattern ... HRCT findings in AIP ... the diagnosis AIP