This is a picture of diffuse, cutaneous mastocytosis. Abnormal
collections of cells in the skin (mast cells) produce this rash.
Unlike bullous mastocytosis, rubbing will not lead to formation of
blisters (bullae).
Review Date: 10/10/2010
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of
Physician Assistant Studies, University of Washington, School of
Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director,
A.D.A.M., Inc.
A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)
