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Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... #Distribution #Upper ... #Lower #RadiologyAssistant
Notice the cavitation especially on the right.
In the left upper lobe there is probably some traction-bronchiectasis
In the left upper ... TractionBronchiectasis #RadiologyAssistant
Left Atrium
 - The upper posterior border of the heart is formed by the left atrium.
Atrium - The upper ... bulging of the upper ... Cardiac #Chambers #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
perihilar and in upper ... Comparison #Table #RadiologyAssistant
On the left another typical case of sarcoidosis.
In addition to the perilymphatic nodules, there are multiple
located in the upper ... Peribronchovascular #Nodular #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
massive fibrosis in upper ... Comparison #Table #RadiologyAssistant
Nontuberculous mycobacteria
Nontuberculous mycobacteria, also known as atypical mycobacteria, are all the other mycobacteria which can cause
disease in both upper ... AirFluidLevel #RadiologyAssistant
The CT-images demonstrate the atelectasis of the left upper lobe (blue arrow).
There is a centrally located
atelectasis of the left upper ... obstructs the left upper ... #Obstructive #RadiologyAssistant
Left upper lobe atelectasis
What are the findings?
 - Minimal volume loss with elevation of the left
Left upper lobe ... collapsed left upper ... atelectasis of the left upper ... Collapse #APWindow #RadiologyAssistant
Longstanding Sarcoidosis
Here a typical chest film in a patient with long standing Sarcoidosis (stage IV).
There is
fibrosis in the upper ... fibrosis with upper ... Sarcoidosis #Fibrosis #RadiologyAssistant