10 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... + toxo IgG • CNS ... histoplasmosis, cryptococcus ... Syphilis • Pyogenic Abscess ... RingEnhancing #Lesions #Brain
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Culture Negative Abscess ... negative culture Brain ... : Aspergillus, Cryptococcus ... nocardia - Fungal: Cryptococcus ... Coccidiomycosis, Cryptococcus
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... HIV-Associated CNS ... tuberculomas, or abscesses ... culture positive Cryptococcal ... lesions • CSF cryptococcal
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Summary Lung Abscess ... antibiotics once stable ... shows a small, stable ... Dermatitidis - Cryptococcus
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
Differential Diagnosis Algorithm ... Normal Reflexes - Brain ... Hemorrhage • CNS ... Hematoma • Abscess ... Differential #Diagnosis #Algorithm
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
Fluconazole CRYPTOCOCCUS ... level, presence of cryptococcal ... CSF and serum Cryptococcal ... • Sinusitis • Brain ... abscess • Disseminated
Chagas Disease - Acute, Chronic and Reactivation 

Acute Chagas
 - 95% asymptomatic
 - Chagoma (Romana's sign),
chemo, etc - CNS ... meningoencephalitis, brain ... abscess) - Acute ... Reactivation #Diagnosis #Table
Invasive Fungal Infection (IFI)

Invasive fungal infections are severe infections in which fungal pathogens invade normally sterile
pulmonary infections) Cryptococcus ... species (commonly CNS ... galactomannan, cryptococcal ... or drainage of abscesses
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
pleural effusions, CNS ... osteomyelitis, cutaneous abscesses ... cavitation • Cryptococcus ... patient has known cryptococcal ... for most OI • Cryptococcal
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
Cryptococcal meningitis ... Cryptococcal meningitis ... low glucose) CNS ... IUIDfellowship #Cryptococcal ... meningitis #T2 #MRI #Brain