Clinical Challenge: Rash of the Arms, Legs, and Abdomen

A 34-year-old Hispanic woman is referred by her family practitioner for evaluation of a rash on her arms, legs, and abdomen. The clinician diagnosed the rash as allergic contact dermatitis, administered intramuscular triamcinolone, and placed her on an oral antihistamine. Can you make the correct diagnosis?

Clinical Challenge: Lesion on the Palm

A 66-year-old man presents for evaluation of a growth on his left palm. He first noted the lesion approximately 1 year ago, and it has increased in size considerably throughout the last 3 to 4 months. Can you make the correct diagnosis?

Clinical Challenge: Itching and Scaling of the Nipple

A 71-year-old man presents to the office with itching and scaling of his left nipple. He first noticed these symptoms last month and they have increased in severity. Over-the-counter topical steroid cream provided no relief. The patient complains of irritation to the nipple when it rubs against his shirt and an increase in pruritus when…