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Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... Nodule - Multiple Masses ... Atelectasis #Diagnosis #Clinical ... #Radiology #CXR ... #Patterns #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... there are four patterns ... seen and in many cases ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... glass opacity and consolidation ... #Clinical #Radiology ... HighAttenuation #Pattern ... Comparison #Table #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... Sarcoidosis end-stage: consolidation ... #Clinical #Radiology ... HighAttenuation #Pattern ... Comparison #Table #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... . 1- Consolidation ... #Diagnosis #Radiology ... #CXR #Consolidation ... #Patterns #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 ... lobar pneumonia caused ... #Diagnosis #Radiology ... Differential #Table #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... chronic illness, clinical ... nodular interstitial lung ... #Radiology #CXR ... #Causes #RadiologyAssistant
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
acute reticular pattern ... most frequently caused ... The other cause ... #Clinical #Radiology ... Pneumonia #PJP #RadiologyAssistant
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
anteriorly in the left lung ... This was a consolidation ... to a pneumonia caused ... #Clinical #Radiology ... SilhouetteSign #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
is a histologic pattern ... as a reticular pattern ... at the lung bases ... This pattern was ... #Clinical #Radiology