9 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... #Clinical #Radiology ... #HRCT #CTChest ... #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 ... #Comparison #Table ... #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... more than one pattern ... #Diagnosis #Radiology ... #Pulmonary #CXR ... Differential #Table #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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- Lung cysts (LAM ... on the basis of HRCT ... #Diagnosis #Radiology ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Lymphangiomyomatosis (LAM ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Lymphangiomyomatosis (LAM ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Imaging: • CXR ... and GG pattern, ... , cavities • HRCT ... : patchy consolidation ... - No specific lab
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
with multifocal consolidations ... The lab-findings ... #Clinical #Radiology ... #CXR #Peripheral ... OrganizingPneumonia #BOOP #RadiologyAssistant
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial pneumonia ... The histologic pattern ... aswell as the HRCT ... #Clinical #Radiology ... AcuteInterstitialPneumonia #ILD #RadiologyAssistant