eMedicine Specialties > Pediatrics: General Medicine > Dermatology
Tinea Versicolor: Multimedia
Updated: Aug 5, 2009
Multimedia
 | Media file 1: In patients with lighter skin color, lesions frequently are a light tan or salmon color. |
 | Media file 2: Upon potassium hydroxide (KOH) examination, hyphae are visible and grow into strands within clumps of keratinocytes. Thick-walled spores frequently occur in grapelike clumps. Individual spores and short stubby hyphae float in the clear areas between clumps of keratinocytes. Many of the short hyphae are dystrophic. |
 | Media file 3: Scale is frequently difficult to appreciate upon clinical examination. |
 | Media file 4: This individual developed skin discoloration and mild itching every summer for the past few years. These patients should be instructed on the prophylactic use of topical therapy. |
 | Media file 5: This superficial plaque of tinea versicolor is located in the right antecubital fossa of an adult. This appearance and distribution is uncommon but not rare. A potassium hydroxide (KOH) preparation confirmed the diagnosis. |
 | Media file 6: Although tinea versicolor is uncommon in children in temperate climates, when it does occur, it is more likely to be atypical in distribution. This 7-year-old boy had areas of tinea versicolor across the forehead and both temples. He was in good health and lived in Washington state when he was diagnosed. |
 | Media file 7: In some patients, the areas affected by tinea versicolor are not always obvious. In this patient, the abnormal areas are hypopigmented. |
 | Media file 8: Clear adhesive tape can be pressed onto areas of tinea versicolor to collect hyphae and spores. The tape is then lightly pressed onto a glass slide, and a drop of methylene blue is placed at the edge of the tape. The methylene blue is allowed to run under the tape staining Malassezia furfur. The spores and hyphae easily are seen against a background clutter of keratinocytes and glue. |
 | Media file 9: Some patients present with extensive tinea versicolor. This patient related that his discoloration had been present for more than 20 years. The light-colored areas on the abdomen are the normal areas of skin. Although topical therapy alone is usually effective, this patient may benefit from initial therapy with oral ketoconazole, followed by selenium sulfide applications in the shower 2-3 times a month. |
 | Media file 10: Significant hyperpigmentation caused by a tinea versicolor infection. |
 | Media file 11: Confluent and reticulated Gougerot and Carteaud papillomatosis. |
 | Media file 12: Mycelium strands and numerous spores observed on a potassium hydroxide (KOH) preparation of tinea versicolor. This combination is commonly referred to as "spaghetti and meatballs." |
More on Tinea Versicolor |
| Overview: Tinea Versicolor |
| Differential Diagnoses & Workup: Tinea Versicolor |
| Treatment & Medication: Tinea Versicolor |
| Follow-up: Tinea Versicolor |
 Multimedia: Tinea Versicolor |
| References |
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References
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Further Reading
Keywords
tinea versicolor, Malassezia furfur, M furfur, Malassezia globosa, M globosa, Malassezia sympodialis, M sympodialis, Malassezia slooffiae, M slooffiae, Malassezia ovalis, M ovalis, Pityrosporum orbiculare, P orbiculare, Pityrosporum ovale, P ovale, chromophytosis, dermatomycosis furfuracea, pityriasis versicolor, tinea flava, Cushing syndrome, malnutrition, atopic dermatitis, diabetes mellitus, HIV, drug allergies, treatment, diagnosis
