Scaling rash on the palms

Case #1

A 56-year-old woman presents with a 2-month history of a very itchy rash on the palm of her right hand. Another provider had prescribed a triamcinolone cream that offered improvement in the first few days of use, after which the rash spread and became worse. The patient has a family history of psoriasis, takes metoprolol for hypertension, and is ...