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The case on the left shows subpleural honeycomb cysts in several contiguous layers.
There is also a
widespread traction bronchiectasis ... Usual Interstitial Pneumonia ... TractionBronchiectasis #Bronchiectasis ... #Honeycombing #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
with traction bronchiectasis ... Cryptogenic organizing pneumonia ... Comparison #Table #RadiologyAssistant
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
cryptogenic organizing pneumonia ... chronic eosinophilic pneumonia ... honeycombing or traction bronchiectasis ... OrganizingPneumonia #RadiologyAssistant
On the left a patient with GGO as dominant pattern.
In addition there is traction bronchiectasis indicating
there is traction bronchiectasis ... nonspecific interstitial pneumonia ... usual interstitial pneumonia ... GroundGlass #GGO #RadiologyAssistant
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
consolidation due to a pneumonia ... Sterptococcus pneumoniae ... Radiology #CXR #Pneumonia ... SilhouetteSign #RadiologyAssistant
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
Interstitial pneumonias ... is interstitial pneumonia ... PCP Mycoplasma pneumonia ... #Interstitial #Pneumonia ... #PJP #RadiologyAssistant
Bronchiectasis: diagnosis and management 

Causes of localized -> diffuse bronchiectasis
Foreign body, Bronchial stenosis (tumor, .. ),
Bronchiectasis: ... localized -> diffuse bronchiectasis ... cough, Bacterial pneumonia ... TerrierBen #Bronchiectasis
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Characteristics of Selected Pneumonias ... Streptococcus pneumoniae ... Klebsiella pneumoniae ... Mycoplasma pneumoniae ... #Pneumonia #Patterns
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
Lobar pneumonia ... lobar or segmental pneumonia ... an acute lobar pneumonia ... by Streptcoccus pneumoniae ... #RadiologyAssistant
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
tuberculosis, Bacterial pneumonia ... Pneumocystis jirovecii pneumonia ... , Cryptococcal pneumonia ... Aspergillus Pneumonia ... - 20% of pneumonias