61 results
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
edema: bilateral ... edema. ... #CTChest #LymphangiticCarcinomatosis ... Differential #Comparison #Table ... #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
Is it pus, edema ... or tumor cells (Table ... Diagnosis #Radiology #Pulmonary ... #CTChest #Consolidation ... #Differential #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Filling of the alveolar ... spaces with pus, edema ... Diagnosis #Radiology #Pulmonary ... #CTChest #GGO # ... #Differential #RadiologyAssistant
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... edema. ... Diagnosis #Radiology #Pulmonary ... #Differential #Table ... Central #Peripheral #RadiologyAssistant
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... Syndrome Definition ... : Diffuse alveolar ... Hemoptysis, Peripheral edema ... high resolution chest
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Aspiration, Flash Pulmonary ... Bronchospasm, Pulmonary ... Pneumothorax, Alveolar ... STAT CXR, CTA Chest ... diagnosis #Management #treatment
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Age-Adjusted Gradient • Alveolar ... Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... Edema, Atelectasis ... #AA #Gradient #alveolar
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
- Aspiration - Pulmonary ... edema #Diagnosis ... #Radiology #Pulmonary ... #Differential #Table ... #Upper #Lower #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Broncho-alveolar ... Radiology #HRCT #CTChest ... Pattern #Comparison #Table ... #RadiologyAssistant
Pulmonary Complications Following Stem Cell Transplant

For patients in the pre- engraftment period (day 0-30):
 - 
Pulmonary
edema - Engraftment ... syndrome (typically ... transplant) - Diffuse alveolar ... Idiopathic pneumonia syndrome ... alveolar proteinosis