13 results
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
exceptions are Aspergillus ... polysaccharide capsule of Cryptococcus ... detection for cryptococcal ... mucopolysaccharide capsule of Cryptococcus ... #microbiology #microscopy
Fungal Pneumonias - Diagnosis Comparison Table
 • Aspergillus
 • Blastomyces
 • Candida
 • Coccidioides
 • Cryptococcus
Pneumonias - Diagnosis Comparison ... Table • Aspergillus ... Coccidioides • Cryptococcus ... Pneumonias #Diagnosis #Comparison
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... ) • Fungi: Aspergillus ... Mucormycosis, Cryptococcus ... febrilepodcast #Brain ... Lung #Infections #Concurrent
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... ) • Fungi: Aspergillus ... Mucormycosis, Cryptococcus ... febrilepodcast #Brain ... Lung #Infections #Concurrent
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
negative culture Brain ... Mycobacteria - Fungal: Aspergillus ... , Cryptococcus, ... nocardia - Fungal: Cryptococcus ... Coccidiomycosis, Cryptococcus
Fungal Biomarkers: Comparing Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 •
Beta-D-Glucan and Aspergillus ... Spec ~77-96% Aspergillus ... constituent of Aspergillus ... Paecilomyces, Cryptococcus ... Galactomannan #diagnosis #comparison
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Beta-D-Glucan and Aspergillus ... - Negative: Cryptococcus ... Paecilomyces, Cryptococcus ... decreased with: concurrent ... Galactomannan #diagnosis #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
Differential Diagnosis for Concurrent Brain and Lung Infections
 • Bacteria: Strep anginosus, Staph aureus, Klebsiella pneumoniae
Diagnosis for Concurrent ... Brain and Lung ... Mucormycosis, Cryptococcus ... @ID_fellows #Brain ... Lung #Infections #Concurrent
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
histoplasmosis, cryptococcus ... , and aspergillus ... RingEnhancing #Lesions #Brain