38 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
end-stage with massive fibrosis ... consolidation #Clinical ... #CTChest #HighAttenuation ... #Pattern #Comparison ... #Table #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Hypersensitivity Pneumonitis, Respiratory ... Acute Eos PNA • Chronic ... Pneumonia, COP, Chronic ... Honeycombing: Idiopathic Pulmonary ... #radiology
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
HRCT as seen in fibrosis ... or interstitial lung ... disease (i.e. fibrosis ... predominance: Respiratory ... #Pulmonary #CTChest
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
result of massive fibrosis ... #Clinical #Radiology ... #HRCT #CTChest ... HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
or tumor cells (Table ... Even fibrosis as ... UIP, NSIP and long ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Respiratory bronchiolitis ... #Clinical #Radiology ... #HRCT #CTChest ... Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... Syndrome (> 6 mo) - Respiratory ... #Diseases #pulmonary ... differential #diagnosis #comparison ... #table #eosinophilia
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
lung disease caused ... #Silicosis #clinical ... #radiology #CXR ... #Chest #XRay #labeled ... #pulmonary
Progressive Massive Fibrosis on Chest X-Ray
In a construction worker presenting with shortness of breath.
Progressive Massive Fibrosis
on Chest X-Ray ... is a chronic interstitial ... lung disease with ... #silicosis #clinical ... #radiology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Respiratory bronchiolitis ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... #Differential #Comparison