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Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
The cystic pattern ... When the cysts have ... on a CXR. ... in many cases UIP ... #Differential #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
have specific patterns ... findings of NSIP, UIP ... Radiology #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
Because of the cystic ... usual interstitial pneumonia ... (UIP). ... Clinical #Radiology #CTChest ... UsualInterstitialPneumonia #RadiologyAssistant
On the left a chest film of a patient with UIP due to IPF.
The findings on
thick walls of the cysts ... Clinical #Radiology #CXR ... #CTChest #UIP # ... Pneumonitis #Reticular #ILD ... #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
film of a 19 year old ... is a reticular patern ... Clinical #Radiology #CXR ... #CTChest #LCH # ... #RadiologyAssistant
Cavitation - Pneumonia
In virulent pyogenic infections an abscess may form within the consolidated lung as a
pus is coughed up ... be seen on the chest ... Clinical #Radiology #CXR ... #CTChest #Cavity ... #RadiologyAssistant
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
a patient with DIP ... shows diffuse areas ... and some mosaic pattern ... Clinical #Radiology #CTChest ... #ILD #RadiologyAssistant
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial pneumonia ... The histologic pattern ... There are areas ... Clinical #Radiology #CTChest ... #ILD #RadiologyAssistant
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
This post will focus ... x-ray (CXR), try ... radiograph pattern ... not seen on a CXR ... #Radiology #CTChest