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== History and Physical == | == History and Physical == | ||
1. Hypopigmented or hyperpigmented lesions predominantly on the trunk caused by fungus Pityrosporum ovale (oval form) or obiculare | 1. Hypopigmented or hyperpigmented lesions predominantly on the trunk caused by fungus Pityrosporum ovale (oval form) or obiculare. Also known as Malassezia furfur | ||
2. More common in areas of increased sebaceous glands | 2. More common in areas of increased sebaceous glands | ||
3. Equally common is light and dark skinned individuals, but more noticeable in the later | |||
== Diagnosis == | == Diagnosis == | ||
Revision as of 19:57, 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. Also known as Malassezia furfur
2. More common in areas of increased sebaceous glands
3. Equally common is light and dark skinned individuals, but more noticeable in the later
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