9 results
Morphology and Descriptions of Fungal Infections with Hyphae or Pseudohyphae in Tissues
Yeasts with Pseudohyphae: 
 •
Consistent with Candida ... other hyaline fungi ... with dematiaceous fungi ... #fungi #infections ... #microbiology #differential
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Negative Abscess ... - Differential ... Scedosporium, endemic fungi ... #Negative #Abscess ... #Differential #
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
Gram-negative bacilli - Fungi ... (Candida, Aspergillus ... Histoplasma) - Culture ... Gram-negative bacilli - Fungi ... Pathogens #Diagnosis #Differential
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
preparation from culture ... cell response to fungi ... doesn't stain most fungi ... staining #diagnosis #fungi ... #fungus #comparison
Morphology and Descriptions of Endemic Fungal Infections with Yeasts in Tissues
Broad-based budding yeasts:
 • Description: Broad-based
other hyaline fungi ... with dematiaceous fungi ... #fungi #infections ... #microbiology #differential ... morphology #pathology #atlas
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood culture ... Tropheryma whipplei, Fungi ... (Aspergillus, Candida ... BCNIE #Causes #differential ... diagnosis #causes #culture
Morphology and Descriptions of Endemic Fungal Infections with Yeasts in Tissues
Broad-based budding yeasts:
 • Description: Broad-based
Descriptions of Endemic Fungal ... Cryptococcus, and Aspergillus ... pathology #clinical #atlas ... #fungi #microbiology ... #differential #
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
component of many fungi ... • Pathogens: Candida ... BAL GM does not differentiate ... closely related fungi ... Galactomannan #diagnosis #comparison
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
fastidious bacteria or fungi ... Tropheryma whipplei, Fungi ... (Aspergillus, Candida ... bacteria) and 18S ( fungi ... Endocarditis #diagnosis #differential