What dermatologists need to know about mast cell disease: A dermatopathologist's view

Mast cell disease involves a group of conditions characterized by the infil tration of mast cells in the tissues and organs. Mast cell disease predomin antly affects the skin, presenting in the form of urticaria pigmentosa. Thi s concise review article defines mast cell disease. This paper presents a d ermatopathologist's perspective on the diagnosis, management, and treatment of mast cell disease.