mastocytosis
/ˌmastəsʌɪˈtəʊsɪs/Pathology
noun
The abnormal proliferation of mast cells at one or more sites in the body; any of several syndromes characterized by this.
- Mastocytosis is most commonly limited to the skin, classically manifesting as urticaria pigmentosa..
Origin
1950s; earliest use found in Archives of Dermatology. From mastocyte + -osis, after French mastocytose.