15 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 ... .; also stains Blastomyces ... #microbiology #microscopy
Cryptococcus vs Blastomyces
C.neoformans - C.gattii - Blastomyces dermatitidis

Dr. Sara Dong @swinndong

#Cryptococcus #Blastomyces #comparison #pathology #microscopy #diagnosis
Cryptococcus vs ... Blastomyces C.neoformans ... - C.gattii - Blastomyces ... Dong @swinndong #Cryptococcus ... #pathology #microscopy
Morphology and Descriptions of Endemic Fungal Infections with Yeasts in Tissues
Broad-based budding yeasts:
 • Description: Broad-based
Consistent with Blastomyces ... , Histoplasma, Cryptococcus ... Consistent with Cryptococcus ... capsule deficient Cryptococcus ... #microbiology #differential
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Negative Abscess - Differential ... negative culture Brain ... : Aspergillus, Cryptococcus ... nocardia - Fungal: Cryptococcus ... Coccidiomycosis, Cryptococcus
Morphology and Descriptions of Endemic Fungal Infections with Yeasts in Tissues
Broad-based budding yeasts:
 • Description: Broad-based
Consistent with Blastomyces ... , Histoplasma, Cryptococcus ... Consistent with Cryptococcus ... capsule deficient Cryptococcus ... #microbiology #differential
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
- Negative: Cryptococcus ... , Mucorales, Blastomyces ... , Histoplasma, Blastomyces ... Paecilomyces, Cryptococcus ... BAL GM does not differentiate
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
histoplasmosis, cryptococcus ... RingEnhancing #Lesions #Brain ... #differential #
Infectious Causes of Adrenal Insufficiency
Anatomical distribution of vessels to the adrenal makes the gland prone to
Histoplasma capsulatum, Cryptococcus ... neoformans, Blastomyces ... Insufficiency #AI #differential
Differential Diagnosis for Concurrent Brain and Lung Infections
 • Bacteria: Strep anginosus, Staph aureus, Klebsiella pneumoniae
Differential Diagnosis ... for Concurrent Brain ... Mucormycosis, Cryptococcus ... @ID_fellows #Brain ... Infections #Concurrent #Differential
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... Mucormycosis, Cryptococcus ... febrilepodcast #Brain ... Infections #Concurrent #Differential