37 results
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
Interstitial pneumonias ... acute reticular pattern ... is interstitial pneumonia ... PCP Mycoplasma pneumonia ... #PJP #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis ... Miliary TB: random ... CTChest #Nodular #Pattern ... Comparison #Table #RadiologyAssistant
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
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... specific interstitial pneumonitis ... Cryptogenic organizing pneumonia ... HighAttenuation #Pattern ... Comparison #Table #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
other interstitial pneumonias ... consolidation and GG pattern ... Idiopathic interstitial pneumonia ... Hypersensitivity pneumonitis ... ILD #diagnosis #management
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Hypersensitivity pneumonitis ... Miliary TB: random ... Hypersensitivity pneumonitis ... Comparison #Table #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
hypersensitivity pneumonitis ... hypersensitivity pneumonitis ... are: Mosaic pattern ... shows a mosaic pattern ... Chronic #Fibrosis #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... and interstitial pneumonia ... have specific patterns ... realise, that these patterns ... ILD #Findings #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... Chronic eosinophilic pneumonia ... Chronic eosinophilic pneumonia ... HighAttenuation #Pattern ... Comparison #Table #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT Patterns ... Nodular: • Random ... Hypersensitivity Pneumonitis ... Edema, Hemorrhage, Pneumonia ... Hypersensitivity Pneumonia