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Intermediate Mycoses
Microbiology 1 - Intermediate Mycoses
Question | Answer |
---|---|
Intermediate mycoses | subcutaneous tissue, involves blood vascular system & sometime brain, all can cause superficial mycoses |
types of intermediate mycoses | sporothrix schenckii, blastomyces dermatidis, candida albicans, aspergillus fumigatus, zygomycoses, madura foot/maduromycosis |
sporothris schenckii | granulomatous pus filled lesion |
sporothrix schenckii sometimes disseminated | to lungs & other organs |
sporothrix schenckii rx | amphotericin |
blastomyces dermatidis | see sporothrix schenckii |
candida albicans | major opportunistic agent |
candidiasis | most common nosocominal fungal infections: in AIDS patients |
candida albicans may be transmitted | sexually & by workers w/hands in water for long time - get skin & nail lesions |
candida albicans can cause | trival-oral thrush, perleche, vaginitis, nails & deadly-lungs, kidneys, blood, heart, brain tumor |
Aspergillus fumigatus | serious, fungus ball (farmer's lung), grows on decaying vegetables |
aspergillus fumigatus | initially invades wounds, burns, cornea & external ear |
aspergillus fumigatus Dx | finding hyphal fragments in biopsy tissues, death by asphyxiation |
zygomycoses genre | rhizopus |
zygomycoses infects | susceptible humans (untreated diabetics) |
zygomycoses invades | lungs, CNS & eyes, can be rapidly fatal, difficult to treat |
madura foot | maduromycosis |
madura foot caused by | soil organisms including madurella |
other bacteria involved in madura foot | nocardia actinomyses & streptomyces |
madura foot results in | more amputations than any other |
mandura foot in | tropical areas |
mandura foot invades | muscle and bones, difficult to treat |