Xanthomas are raised, waxy-appearing, frequently yellowish-colored skin lesions. They may be associated with an underlying lipid (cholesterol/triglyceride) abnormality.
Review Date 4/14/2021
Updated by: Elika Hoss, MD, Senior Associate Consultant, Mayo Clinic, Scottsdale, AZ. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.