Subcutaneous Mycoses
Terms
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- what is the most important subcutan. mycosae in U.S.?
- Sporotrichosis
- another name for sporotrichosis?
- rose-gardener's disease
- what are the physical symptoms of sporotrichosis?
-
lesions on hands/arms
edema in submucosa
does not become systemic - what is the causitive agent of sporotrichosis?
- Sporothrix schenkii
- what type of fungi, re: how it grows, is sporothrix schenkii?
- a dimorphic fungi; it has two fases.
- What are Sporothrix schenkii's two phases?
-
Mycelial phase: 25 deg. C
Yeast (tissue) phase: 37 deg. C - What must you do w/ sporothrix to identify it in lab?
- grow in BOTH phases
-
Which phase is infectious?
what temp is that at again? - the Mycelial phase, at 25 ' C
- What disease causes cauliflower lesions?
- Chromoblastomycosis
- what type of disease is chromoblastomycosis? what is another one that is also?
-
Tropical.
Mycetoma is also -
3 symptoms of Chromoblastomycosis:
What does it result from? -
edema
hyperplasia
cauliflower lesions
Results from walking barefoot, and trauma -
what is mycetoma?
what are its symptoms -
tropical disease of the foot.
tumors with oozing sinus tracts
deformity
bone infection
swelling - What are the 2 tropical subcutaneous mycoses?
-
Chromoblastomycosis
Mycetoma - What are the 3 fungus-like bacteria?
-
Actinomyces
Nocardia
Streptomyces -
what is the morphology of Actinomyces?
-microscopic
-colonial -
branching Gram Pos Bacilli that look like hyphae.
molar tooth colonies. - 3 things to remember bout Actinomyces:
-
-Anaerobic
-Sulfur granules
-A. israelii causes lumpy jaw - What is the other anaerobic bacteria that looks like a fungi?
- Nocardia
- What is the staining pattern of Nocardia?
- Acid fast, but it BRANCHES - so not mycobacterium
- What is the nonaerobic fungus-like bacteria?
- Streptomyces