Single Biggest Cancer Dictionary in the World

What is

systemic mastocytosis

?

Pronunciation: /sɪˈstɛmɪk mastocytosis*/

systemic mastocytosis

Definition

A rare disease in which too many mast cells (a type of immune system cell) are found in the skin, bones, joints, lymph nodes, liver, spleen, and gastrointestinal tract. Mast cells give off chemicals, such as histamine, that can cause flushing (a hot, red face), itching, abdominal cramps, muscle pain, nausea, vomiting, diarrhea, low blood pressure, and shock.