32 results
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
spaces with pus, edema ... lung disease (i.e ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... bronchovascular interstitium ... edema. ... Differential #Comparison #Table ... #RadiologyAssistant
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Metastases - Interstitial ... Edema - Congestive ... #Diseases #Radiology ... #Patterns #Lung ... #Differential #Diagnosis
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 ... #Differential #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... edema #Diagnosis ... #Radiology #Pulmonary ... #Differential #Table ... #Upper #Lower #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
(Table). ... pulmonary edema ... or lymphoma and alveolar ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
edema. ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #Table ... Central #Peripheral #RadiologyAssistant
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Edema, Atelectasis ... , Obstructive Lung ... Disease, Interstitial ... Lung Disease ... #differential #diagnosis
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
edema; ARDS, Metastatic ... alveolar proteinosis ... Actinomyces spp., NHL; Lung ... #differential #diagnosis ... #chestCT #radiology
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... first part of alveolar ... oxygen • Causes: Interstitial ... pulmonary edema ... #Differential #Diagnosis