29 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... Hypersensitivity pneumonitis ... edema #Diagnosis #Radiology ... HRCT #ChestCT #Differential
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
and Differential ... Acquired (e.g., iHD ... Vasodilation Lung ... Diagnosis #cardiology ... #causes
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
periphery of the lung ... it is seen in pneumonias ... #Diagnosis #Radiology ... #CXR #Batwing # ... Differential #RadiologyAssistant
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Abscess Pathophysiology ... Pneumonitis 3. ... Blood cultures • CXR ... early disease) • CXR ... #causes #management
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
x-ray there is an ill-defined ... weight loss or long ... lobar pneumonia caused ... #Clinical #Radiology ... #CXR #AirBronchogram
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Hypersensitivity Pneumonitis ... - Eosinophilic pneumonitis ... Therefore, conditions caused ... #diseases #differential ... #STARCHASERS #radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... responses of the lung ... indicates unknown cause ... #Diagnosis #Radiology ... IdiopathicInterstitialPneumonia #ILD
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... is interstitial lung ... seen and in many cases ... #Diagnosis #Radiology
On the left a chest film of a patient with UIP due to IPF.
The findings on
reticular densities caused ... #Clinical #Radiology ... #CXR #CTChest # ... #Interstitial #Pneumonitis ... #Reticular #ILD
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
manifestations- Pneumonitis ... lesions • 80% with lung ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology