Term
| Tinea (Pityriasis) Versicolor |
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Definition
-Caused by Malassezia furfur
-Hyper/depigmented lesions on face, chest, abdomen |
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Term
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Definition
-Skin scrapings - SDA neg - KOH prep
-Lipid requirement - Yeast sup w/ olive oil
- Cream colored colonies - moist, smooth
- Budding yeast along septate - "Spaghetti & meatball" appearance |
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Term
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Definition
-Caused by Hortaea werneckii
- Brownish macules on palms, fingers, face |
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Term
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Definition
- Skin scrapings - SDA culture - KOH prep
- Black/brown colonies that turn olive-brown over time
- Septate hyphae and yeast cells - Mostly blastoconidia - "Capsule pill" appearance |
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Term
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Definition
- Caused by Piedraia hortae
- Discrete, hard, black nodules on hair shaft |
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Term
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Definition
- Hair shaft collection - SDA culture - KOH prep
- Brown/black colonies
- Septate pigmented hyphae /
- Treatment salicylic acid, iodine |
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Term
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Definition
- Caused by Trichosporon spp.
- White, loose, nodule on hair shaft |
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Term
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Definition
-Hair shaft collection - SDA culture - KOH prep
-Creamy, white, "cerebriform" colony
-Intertwined septate hyphae, blasto- arthoconidia
-Treatment: shaving, azol cremes |
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Term
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Definition
- Caused by Saprophytic fungi (Aspergillus, Fusarium, Alternaria, Candida), or Histoplama capsulatum
-Corneal ulcer |
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