OverviewBowen's disease is a malignant condition (technically, it is an intraepidermal squamous cell carcinoma). Early lesions may resemble fungal infections, dermatitis, or psoriasis. The diagnosis is made by biopsy (examining a tissue sample).
Review Date 7/25/2017
Updated by: David L. Swanson, MD, Vice Chair of Medical Dermatology, Associate Professor of Dermatology, Mayo Medical School, Scottsdale, AZ. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.