13 results
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
polysaccharide capsule of Cryptococcus ... detection for cryptococcal ... mucopolysaccharide capsule of Cryptococcus ... #microbiology #microscopy ... fungi #fungus #comparison
Cryptococcus vs Blastomyces
C.neoformans - C.gattii - Blastomyces dermatitidis

Dr. Sara Dong @swinndong

#Cryptococcus #Blastomyces #comparison #pathology #microscopy #diagnosis
Cryptococcus vs ... Dong @swinndong #Cryptococcus ... #Blastomyces #comparison ... #pathology #microscopy
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
negative culture Brain ... : Aspergillus, Cryptococcus ... nocardia - Fungal: Cryptococcus ... Dracunculiasis - Non-Infectious ... Coccidiomycosis, Cryptococcus
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
splenomegaly Other infections ... histoplasmosis, cryptococcus ... multiple lesions Infectious ... RingEnhancing #Lesions #Brain
Differential Diagnosis for Concurrent Brain and Lung Infections
 • Bacteria: Strep anginosus, Staph aureus, Klebsiella pneumoniae
for Concurrent Brain ... and Lung Infections ... Mucormycosis, Cryptococcus ... @ID_fellows #Brain ... #Lung #Infections
Invasive Fungal Infection (IFI)

Invasive fungal infections are severe infections in which fungal pathogens invade normally sterile
Invasive Fungal Infection ... are severe infections ... ) Cryptococcus ... Diagnosis Culture and microscopy ... galactomannan, cryptococcal
Common Fungal Pathology 
 • Candida - Small yeast intermingled with pseudohyphae
 • Aspergillosis - Septate
broad based bud • Cryptococcus ... Pathology #clinical #microscopy ... 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 ... fungal infection ... showed 2 pockets of infection ... both sides of his brain
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
- Negative: Cryptococcus ... invasive fungal infection ... surfaces - Infections ... Paecilomyces, Cryptococcus ... Galactomannan #diagnosis #comparison
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
Disseminated Infections ... Fluconazole CRYPTOCOCCUS ... level, presence of cryptococcal ... CSF and serum Cryptococcal ... • Sinusitis • Brain