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| = Tinea Versicolor = | | = [[Tinea Versicolor]] = |
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| == History and Physical ==
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| 1. Hypopigmented or hyperpigmented lesions predominantly on the trunk caused by fungus Pityrosporum ovale (oval form) or obiculare. Also known as Malassezia furfur
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| 2. More common in areas of increased sebaceous glands
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| 3. Equally common is light and dark skinned individuals, but more noticeable in the later
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| == DDx ==
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| 1. Pityriasis Alba
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| 2. Guttate Psoriasis
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| 3. Seborrheic Dermatitis
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| 4. Tinea Corporis
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| 5. Vitiligo
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| == Diagnosis ==
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| 1. Some demonstrate coppery-orange fluoresence under Woods Lamp
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| 2. KOH wet prep (Spaghetti and Meatballs appearance)
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| 3. Almost never cultured given difficult culture medium, benign course, and diagnostic KOH prep.
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| == Treatment ==
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| 1. First line topical treatment is ketoconazole (nightly application x 2 weeks) or selenium sulfide (10 minutes x bid)
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| 2. Single dose 400mg ketoconazole PO or fluconazole 150-300mg PO per week x 2-4 weeks for more resistant cases or for easy-of-use
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| 3. Griseofulvin is not effective
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| == See Also ==
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| http://www.wikem.org/wiki/Tinea
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| == References ==
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| 1. http://emedicine.medscape.com/article/1091575
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| [[Category:derm]]
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