What Is the Cause of This Man’s Arm Rash?
David L. Kaplan, MD—Series Editor
Kaplan DL. What is the cause of this man’s arm rash? Consultant. 2016;56(11):998-999.
This 75-year-old man presented with a symmetric, asymptomatic eruption on both arms that had failed various topical corticosteroid treatments.
What is the cause of this man’s arm rash?
- Actinic keratosis
- Lupus erythematosus
- Photodrug reaction
- Pityriasis lichenoides chronica
- Lichen planus
Answer and discussion on next page