View source for Tinea versicolor

==Background==
*Caused by fungus Pityrosporum ovale (oval form) or obiculare
*Also known as Malassezia furfur

==Clinical Features==
*Hypopigmented or hyperpigmented lesions predominantly on the trunk 
*Circular, scaly patches
*More common in areas of increased sebaceous glands
*Poor hygiene, areas of moisture
*Equally common is light and dark skinned individuals, but more noticeable in the later
[[File:tinea versicolor.JPG|thumbnail]]

==Differential Diagnosis==
{{Pigmentation Change DDX}}

==Evaluation==
*Some demonstrate coppery-orange fluoresence under Woods Lamp
*KOH wet prep (Spaghetti and Meatballs appearance)
*Almost never cultured given difficult culture medium, benign course, and diagnostic KOH prep.

==Management==
*First line topical treatment is [[ketoconazole]] (nightly application x 2 weeks) or [[selenium sulfide]] (10 minutes x bid)
*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
*Griseofulvin is not effective

==See Also==
*[[Tinea]]

==References==
<references/>
[[Category:Dermatology]]
[[Category:ID]]