Diagnosis & Disease Information

A 38-year-old man presents complaining of itchy red patches on his back that have been present for months. His primary medical doctor initially prescribed clotrimazole antifungal cream for tinea corporis. When the lesions did not improve, the patient was given triamcinolone topical corticosteroid cream to treat a presumed eczema. The triamcinolone relieved the itchy sensation,…

A 27-year-old Hispanic male presents with brown patches on his trunk and abdomen that have been present for three years. Although the patches are present all year long, they are significantly more noticeable in the summer. The patient denies pain or itch, but is quite embarrassed by the appearance. Physical exam is significant for reddish-brown,…

A 28-year-old Hispanic man presented with a 10-month history of a pruritic rash on his right flank (Fig 1). One to two weeks prior to noticing the lesion, he had spent five days in Arizona. The lesion had doubled in size in one month, according to the patient. He had no history of similar rashes…