20 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
lobes presenting as ... Clinical #Radiology #HRCT ... #CTChest #HighAttenuation ... #Pattern #Comparison ... #Table #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
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... as seen in fibrosis ... predominance: UIP ... Radiology #Pulmonary #CTChest ... #Differential #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Lung cysts (LAM, LIP ... on the basis of HRCT ... Radiology #Pulmonary #CTChest ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... morphologic findings on HRCT ... findings of NSIP, UIP ... Radiology #Pulmonary #CTChest ... ILD #Findings #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
On HRCT there are ... On a Chest X-Ray ... frequently presents as ... in many cases UIP ... #Differential #RadiologyAssistant
Drug-induced organizing pneumonia is commonly caused by Bleomycin and Cyclophosphamide and other drugs like Methotrexate, Amiodarone,
Drug-induced organizing pneumonia ... The HRCT findings ... are the same as ... Clinical #Radiology #CTChest ... OrganizingPneumonia #RadiologyAssistant
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
recognizable on HRCT ... usual interstitial pneumonia ... (UIP). ... Clinical #Radiology #CTChest ... UsualInterstitialPneumonia #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in ... diseases such as ... cryptogenic organizing pneumonia ... Clinical #Radiology #CTChest ... #ILD #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 ... UIP manifests as ... A HRCT is needed ... HRCT demonstrated ... #Honeycombing #RadiologyAssistant