05-04-2007, 02:15 PM
A 29-year-old man comes to the office because of a recurrent rash that worsens in the summer season and recurs more frequently with humid weather. Usually the rash involves his upper back and occasion spreads to the shoulders and proximal arms. It is occasionally pruritic. Physical examination shows multiple hypopigmented oval macules and patches on his upper back. His hands and feet are not involved and all nails appear normal. You examine scrapings of the scale with potassium hydroxide under the microscope and find numerous short hyphae with multiple round spores in clumps. You should tell the patient that he has
A. tinea corporis and should be treated with oral terbinafine
B. tinea corporis and should be treated with topical ketoconazole
C. tinea corporis and should be treated with topical terbinafine
D. tinea versicolor and should be treated with oral terbinafine
E. tinea versicolor and should use ketoconazole shampoo
A. tinea corporis and should be treated with oral terbinafine
B. tinea corporis and should be treated with topical ketoconazole
C. tinea corporis and should be treated with topical terbinafine
D. tinea versicolor and should be treated with oral terbinafine
E. tinea versicolor and should use ketoconazole shampoo