MKSAP: 59-year-old man with intermittent itching
Test your medicine knowledge with the MKSAP challenge, in partnership with the American College of Physicians.
A 59-year-old man is evaluated for a 3-month history of intermittent itching on the forearms. He describes the itch as deep, with a burning or tingling sensation. Scratching helps somewhat, but over-the-counter topical corticosteroids have not helped. Cooling the skin soothes the itch. He did not notice a rash until he started …