7 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
histoplasmosis, cryptococcus ... RingEnhancing #Lesions #Brain ... #differential # ... diagnosis #causes ... #radiology #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... present in 15% of cases ... Demyelinating disease caused ... "punched-out" cystic ... #Infections #differential
Neurocysticercosis (NCC) Summary
Pathogen: Larval stage of Taenia solium
Infection: Ingesting undercooked pork containing cysticerci in muscle tissue.
Taenia solium Infection ... Brain calcifications ... cause seizures. ... Treatment: • 1-2 cysts ... albendazol • >2 cysts
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... Lymphadenopathy, CNS ... factor • May cause ... reported in 100% of cases ... #diagnosis #infectiousdiseases
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS) Microbiology ... positive in 90% of IE cases ... Aspergillus • Cryptococcus ... Marantic (NTBE) Differential ... diagnosis #management #cardiology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Hypercoagulable (APLAS) Microbiology ... positive in 90% of IE cases ... Aspergillus • Cryptococcus ... #Diagnosis #cardiology ... #infectiousdiseases
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
low glucose) CNS ... mucoid gelatinous cyst ... Nausea & vomiting ... Flucytosine costs ... meningitis #T2 #MRI #Brain