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 ... Summary Lung Abscess ... Lung abscess ... Lung Abscess - Clinical ... Dermatitidis - Cryptococcus
Common Fungal Pathology 
 • Candida - Small yeast intermingled with pseudohyphae
 • Aspergillosis - Septate
broad based bud • Cryptococcus ... Fungal #Pathology #clinical ... table #atlas #key #comparison
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
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
- Negative: Cryptococcus ... cut-offs defined in clinical ... Paecilomyces, Cryptococcus ... Galactomannan #diagnosis #comparison
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 ... #Endocarditis #comparison
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