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
there are four patterns ... low attenuation (table ... The cystic pattern ... seen and in many cases ... #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 ... Nodule - Multiple Masses ... Consolidation #Patterns ... #RadiologyAssistant
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
interstitial pattern ... preference at the lung bases ... Radiology #CXR #UIP #CTChest ... #Pattern #Honeycombing ... TractionBronchiectasis #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
is a histologic pattern ... pattern particularly ... In many cases you ... pattern at the ... This pattern was
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
pattern or a cystic ... pattern. ... pattern. ... In many of such cases ... Radiology #CXR #CTChest
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... Radiology #HRCT #CTChest ... #Reticular #Pattern ... #Comparison #Table ... #RadiologyAssistant
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
Sarcoidosis In this case ... the chest x-ray ... In many cases a ... #Interstitial #Pattern ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... have specific patterns ... realise, that these patterns ... Radiology #Pulmonary #CTChest
Key findings in alveolar proteinosis
- Crazy paving pattern: reticular pattern superimposed on ground glass opacification.
- Opacifications
- Crazy paving pattern ... : reticular pattern ... This is caused by ... Clinical #Radiology #CTChest ... #CrazyPaving #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
film is a reticular ... patern and that's ... recognized that this pattern ... was caused by multiple ... Histiocytosis #Cystic #RadiologyAssistant