12 results
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 Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
histoplasmosis, cryptococcus ... Syphilis • Pyogenic Abscess ... RingEnhancing #Lesions #Brain
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Lung Abscess - Clinical ... antibiotics once stable ... shows a small, stable ... Dermatitidis - Cryptococcus
Common Fungal Pathology 
 • Candida - Small yeast intermingled with pseudohyphae
 • Aspergillosis - Septate
broad based bud • Cryptococcus ... Fungal #Pathology #clinical ... #microscopy #table
Hemiballismus on Physical Exam secondary to Cryptococcal fungal infection
MRI showed 2 pockets of infection on both
Exam secondary to Cryptococcal ... both sides of his brain ... #PhysicalExam #clinical
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
high index of clinical ... valves • MRI brain ... common, Aortic root abscess ... often seen • MRI brain ... Marantic #diagnosis #table
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
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
should be based on clinical ... tuberculomas, or abscesses ... culture positive Cryptococcal ... lesions • CSF cryptococcal
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
initiation Clinical ... osteomyelitis, cutaneous abscesses ... cavitation • Cryptococcus ... patient has known cryptococcal ... for most OI • Cryptococcal
Invasive Fungal Infection (IFI)

Invasive fungal infections are severe infections in which fungal pathogens invade normally sterile
pulmonary infections) Cryptococcus ... antibiotic exposure Clinical ... galactomannan, cryptococcal ... or drainage of abscesses