STEP1 Micro: Fungi
Terms
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Classic vignette:
Man Mississippi or Ohio river valley and went camping next to a cave covered in droppings (bird or bat) - Histoplasmosis
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Histoplasmosis
1. Will see ____ in microscope - 1. Macrophage filled with histo cells
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Blastomycosis
1. ____ _____ Budding yeast
2. ____ of Mississippi and _____
3. Starts in _____ then can spread to ___ and ___ -
1. Broad Based
2. East, Central America
3. lungs (inflammatory), skin and bone
can also potentially form granulomatous nodules -
Coccidioidomycosis
1. Increased incidence with ______.
2. Locale
3. Lools like ____ -
1. Events that throw up dust (earthquakes)
2. Cali, SW US
3. Spheres filled w granules (larger than RBCs - "Spaghetti and Meatball" appearance
- Tinea Versicolor / malassezia Furfur
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Tinea Pedis, cruris, capitis, etc caused by
____, ___, or ____ -
Small, tricky skin eaters....
microsporum, trichophyton, epidermophyton -
Classic Vignette:
AIDS pt with oral thrush
Young female with itchy vagina
Baby with a diaper rash that is red with IRREGULAR borders - Candida Albicans
- Branched mold with ACUTE ANGLES
- Aspergillis
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Classic Vignettes:
AIDS pt with meningitis
CT shows "soap bubble" brain lesions
- Cryptococcus Neoformans
- Mold with broad branching
- Mucor/ rhizopus
- Diabetic/ Lukemia Pt w vessel infarction and distal necrosis
- Mucor / Rhizopus
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AIDS pt with Pneumonia
Will diagnose with lung biopsy or lavage - Pneumocystis jiroveci
- Only fungus with "TRUE" germ tubes
- Candida Albicans