Oral cavity infections Flashcards
Glucomannan or mannoprotein are virulence factors of this pathogen facilitating adhesion
Candida albicans
Function of aspartyl proteinases of C albicans
Hydrolyze host proteins involved in defense
Gram positive, oval, yeast-like budding cells with pseudohyphae. PAS positive and culture on SDA. Demonstration of germ tube.
C albicans
C albicans on CHROMagar
Light green/mint
C tropicalis on CHROMagar
Dark blue
C krusei on CHROMagar
Purple
Treatment of mild to moderate C albicans infections
Local application of clotrimazole, miconazole, or nystatin
Treatment of severe C albicans infection
Fluconazole PO or IV
Characteristics of pseudomembranous type C albicans infection
Red erosions with a raw, bleeding surface when scraped
Characteristics of erythematous type of C albicans infection
Flat, red, occasionally sore areas
dsDNA virus with an icosahedral core that replicates in the host nucleus and obtains its envelope form the host nuclear membrane.
HSV 1 and 2
Spread of HSV from lytic to latent lesions
Syncytia formation
Finding in host cell suggestive of HSV infection
Intranuclear inclusion bodies
Virus that encodes a protein that down-regulates MHC-1 antigen presentation and CTL recognition
HSV
Method by which HSV escapes immune system
Coats itself with IgG via Fc and complement receptors