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== Tinea Versicolor == | === Tinea Versicolor === | ||
== History and Physical == | |||
1. Hypopigmented or hyperpigmented lesions predominantly on the trunk caused by fungus Pityrosporum ovale (oval form) or obiculare (aka Malassezia furfur) | 1. Hypopigmented or hyperpigmented lesions predominantly on the trunk caused by fungus Pityrosporum ovale (oval form) or obiculare (aka Malassezia furfur) | ||
2. More common in areas of increased sebaceous glands | 2. More common in areas of increased sebaceous glands | ||
== Diagnosis == | |||
1. Some demonstrate coppery-orange fluoresence under Woods Lamp | 1. Some demonstrate coppery-orange fluoresence under Woods Lamp | ||
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3. Almost never cultured given difficult culture medium, benign course, and diagnostic KOH prep. | 3. Almost never cultured given difficult culture medium, benign course, and diagnostic KOH prep. | ||
=== Treatment === | |||
1. First line topical treatment is ketoconazole (nightly application x 2 weeks) or selenium sulfide (10 minutes x bid) | 1. First line topical treatment is ketoconazole (nightly application x 2 weeks) or selenium sulfide (10 minutes x bid) | ||
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3. Griseofulvin is not effective | 3. Griseofulvin is not effective | ||
=== References === | |||
1. http://emedicine.medscape.com/article/1091575 | 1. http://emedicine.medscape.com/article/1091575 | ||
[[Category:derm]] | [[Category:derm]] | ||
Revision as of 19:47, 25 September 2013
Tinea Versicolor
History and Physical
1. Hypopigmented or hyperpigmented lesions predominantly on the trunk caused by fungus Pityrosporum ovale (oval form) or obiculare (aka Malassezia furfur)
2. More common in areas of increased sebaceous glands
Diagnosis
1. Some demonstrate coppery-orange fluoresence under Woods Lamp 2. KOH wet prep (Spaghetti and Meatballs appearance) 3. Almost never cultured given difficult culture medium, benign course, and diagnostic KOH prep.
Treatment
1. First line topical treatment is ketoconazole (nightly application x 2 weeks) or selenium sulfide (10 minutes x bid) 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 3. Griseofulvin is not effective