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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 |