20 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Chronic eosinophilic pneumonia ... Clinical #Radiology #HRCT ... #CTChest #HighAttenuation ... Pattern #Comparison #Table ... #RadiologyAssistant
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
chronic eosinophilic pneumonia ... and UIP. ... Radiology #Pulmonary #HRCT ... #Differential #Table ... Central #Peripheral #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
On HRCT there are ... low attenuation (table ... On a Chest X-Ray ... in many cases UIP ... #Differential #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... morphologic findings on HRCT ... findings of NSIP, UIP ... Radiology #Pulmonary #CTChest ... ILD #Findings #RadiologyAssistant
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
demonstrates a reticular ... The HRCT demonstrates ... Radiology #CXR #UIP ... #CTChest #Reticular ... TractionBronchiectasis #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Cryptogenic organizing pneumonia ... Clinical #Radiology #HRCT ... #CTChest #HighAttenuation ... Pattern #Comparison #Table ... #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
On a chest X-ray ... a reticular pattern ... A HRCT is needed ... HRCT demonstrated ... #Honeycombing #RadiologyAssistant
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
represents the second reticular ... recognizable on HRCT ... usual interstitial pneumonia ... Clinical #Radiology #CTChest ... UsualInterstitialPneumonia #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
low attenuation areas ... Clinical #Radiology #HRCT ... #CTChest #LowAttenuation ... Pattern #Comparison #Table ... #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
atenuation and areas ... The HRCT shows a ... and intralobular reticular ... Radiology #CXR #CTChest ... Chronic #Fibrosis #RadiologyAssistant