35 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Chronic eosinophilic ... end-stage with massive fibrosis ... #HRCT #CTChest ... HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant
Posterior Mediastinal Mass - Differential Diagnosis
 • Neurofibroma
 • Neurosarcoma
 • Neuroblastoma
 • Ganglioneuroma
 • Meningocele
Mediastinal Mass - Differential ... Chondrosarcoma • Vascular ... • Small cell lung ... #Diagnosis #pulmonary ... #radiology #chest
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 ... #Pulmonary #CTChest ... Consolidation #Differential
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Emphysema - Lung ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Chest Pain - Differential ... Infarction • Stable ... Mediastinal Causes: - Vascular ... ChestPain #Noncardiac #Cardiology ... #Differential #
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Dyspnea - Differential ... Artery Disease • Stable ... Thickening/Masses Chest ... #Dyspnea #SOB #Differential
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Acute Eos PNA • Chronic ... Pneumonia, COP, Chronic ... #Diagnosis #pulmonary ... #radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
combinations of fibrosis ... listed in the table ... findings in collagen vascular ... #Diagnosis #Radiology ... #Pulmonary #CTChest
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
HP (right) Differential ... In chronic HP fibrotic ... throughout the whole lung ... #CTChest #UIP # ... Comparison #Chronic
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome, Muscular ... Embolism, Obstructive Lung ... Fibrosis, Interstitial ... Lung Disease ... Hypoxia #hypoxemia #differential