21 results
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Plump gram-negative ... Gram-negative rods ... #Diagnosis #Comparison ... #Table #Presentation ... #Pulmonary
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... cryptogenic organizing pneumonia ... chronic eosinophilic pneumonia ... #Differential #Table ... Central #Peripheral #RadiologyAssistant
Pneumonia on Chest Xray and POCUS

Extensive pneumonia in lower left lobe (red arrow). 
POCUS: Dynamic air
Pneumonia on Chest ... Xray and POCUS ... Extensive pneumonia ... #CXR #Comparison ... Clinical #Lung #Pulmonary
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Lobar consolidation
The most common presentation of consolidation is lobar or segmental.
The most common diagnosis is lobar
diagnosis is lobar pneumonia ... The table lists ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Chronic eosinophilic pneumonia ... Chronic eosinophilic pneumonia ... HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
lymphoid interstitial pneumonia ... OP: organizing pneumonia ... usual interstitial pneumonia ... #Differential #Comparison ... #Table #Pulmonary
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... listed in the table ... left in order of relative ... Diagnosis #Radiology #Pulmonary ... ILD #Findings #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Cryptogenic organizing pneumonia ... HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... are organizing pneumonia ... Diagnosis #Radiology #Pulmonary ... #Differential #Table ... #RadiologyAssistant
HRCT findings in Chronic eosinophilic pneumonia
Peripheral consolidations with upper lobe predominance (photo negative of pulmonary edema).
On
Chronic eosinophilic pneumonia ... predominance (photo negative ... of pulmonary edema ... #Eosinophilic #Pnemonia ... #RadiologyAssistant