12 results
Appearance of Liver Lesions on Computed Tomography (CT) - Arterial Phase, Portal Venous Phase and Delayed
Computed Tomography (CT ... Delayed Phase DDx ... #CT #radiology ... #differential #diagnosis ... #comparison #table
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
- Differential ... DiagnosisInfections ... Malignancy: Metastases (lung ... Diagnosis #neurology ... #radiology
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver Lesions ... Late phase • DDx ... #differential # ... diagnosis #comparison ... #table #appearance
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
• 80% with lung ... Infectious: ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Liver infections and imaging findings
 - Pyogenic Liver Abscess
 - Amebic Abscess
 - Cholangitic Microabscesses
DDx of multiple ... nodular liver lesions ... #Hepatic #imaging ... #radiology #Differential ... #Ddx #Diagnosis
Appearance of Liver Lesions on Contrast Enhanced Ultrasound - Early arterial, Grayscale phase, Late arterial phase,
Appearance of Liver Lesions ... phase, Late phase DDx ... #differential # ... diagnosis #comparison ... #table #appearance
Appearance of Liver Lesions on Magnetic Resonance Imaging (MRI) - T2, T1 precontrast, T1 portal venous,
Appearance of Liver Lesions ... hepatobiliary phase DDx ... #differential # ... diagnosis #comparison ... #table #appearance
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... seen • Chest CT ... residual lesion ... Abscess Differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... Diagnosis Framework ... • CT: Halo sign ... Hyponatremia • Elevated hepatic
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Infectious: • Pre-existing ... verrucous) • Lung ... Glomerulonephritis Septic ... Marantic (NTBE) Differential ... #management #cardiology