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Mediastinal masses are discussed in more detail in Mediastinal masses.
Here is just a brief overview. #Diagnosis
Mediastinal masses ... in Mediastinal masses ... #Diagnosis #Radiology ... #Differential # ... Table #Anterior
Mediastinal Widening - Differential Diagnosis

 • Vascular: Aortic dissection, Aortic anourysm, Enlarged pulmonary arteries, Venous or
Diagnosis • ... Atelectasis, Nodule / mass ... • Masses: Anterior ... Pericardial effusion • CXR ... #radiology
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
is required for diagnosis ... in up to 30% of cases ... features: Mobile mass ... #comparison #infective ... #table
Summary table of common benign breast diseases and how to manage them. 
Fibroadenoma:
 • Most common
Summary table of ... trauma to breast e.g ... diseases #benign #differential ... #diagnosis #surgery ... #causes #table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... seen and in many cases ... #Diagnosis #Radiology ... Interstitial #Pattern #Differential
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
positive in 90% of IE cases ... Septic Emboli Cause ... Marantic (NTBE) Differential ... ↑ ESR, CRP • EKG ... #cardiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... breath sounds • Rales ... Blood cultures • CXR ... early disease) • CXR ... Vasculitis (e.g.
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
since in many cases ... visible wall #CXR ... #Lucency #Differential ... #Table #CavitaryLesion ... Lung #Pulmonary #Diagnosis
The table on the left is the overall table for mediastinal masses.
In the next paragraphs we
for mediastinal masses ... following: Most masses ... Thymomas - Thyroid masses ... #Diagnosis #Pulmonary ... #Mass #Differential
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential ... positive in 90% of IE cases ... ↑ ESR, CRP • EKG ... #Differential # ... Diagnosis #cardiology