14 results
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
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Erythrocytosis) - Differential ... Diagnosis Algorithm ... Relative - Normal ... Positive - Low/Normal ... #Causes #Hematology
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
/0.8)] - PaO2 Normal ... A-a gradient to normal ... , Interstitial Lung ... Hypoxia #hypoxemia #differential ... #diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... - Switch to oral ... Abscess Differential ... #Abscess #pulmonary ... #differential #
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... secondary lobules with normal ... #CTChest #LymphangiticCarcinomatosis ... Carcinomatosis #Mimic #Differential ... #Comparison #Table
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Non-Hodgkin's Lymphoma - Comparison ... underarms, or chest ... #oncology #diagnosis ... #differential # ... hematology
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Upper Lobe Lung ... caused by a rigid chest ... granulomatosis • Abnormal ... #diseases #differential ... #diagnosis #mnemonic
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
diagnosis there ... the surrounding lung ... without associated pulmonary ... #Radiology #CTChest ... Cyst #Emphysema #Comparison
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
lung - Normal lung ... thromboembolic disease #Diagnosis ... #Radiology #Pulmonary ... #CTChest #MosaicAttenuation ... #Attenuation #Differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework ... Exam: Can be normal ... Infections #HIV #AIDS #pulmonary ... #differential #