NCIt synonyms : Tumor of Mast Cells; Neoplasm of Mast Cells; Neoplasm of the Mast Cells; Mast Cell Proliferative Disease; Tumor of the Mast Cells; Mast Cell Tumor;
NCIt definition : A heterogeneous group of disorders characterized by the abnormal growth and accumulation
of mast cells in one or more organ systems. Recent data suggest that most variants
of mast cell neoplasms are clonal disorders. (WHO, 2001);
Alternative definition : NCI-GLOSS: A growth or lump of mast cells (a type of white blood cell). Mast cell
tumors can involve the skin, subcutaneous tissue, and muscle tissue.;