Peer Reviewed


What Could Be the Cause of This Rash?

David L. Kaplan, MD—Series Editor

  • A 64-year-old female presented for evaluation of a rash on her lower back of several months’ duration that was asymptomatic. She has had long-standing low back pain.


    What could be the cause of this rash?

    A. Livedo reticularis
    B. Cutis marmorata
    C. Erythema annulare centrifugum 
    D. Erythema ab igne
    E. Granuloma annulare

    (Answer and discussion on next page)