| umls-concept:C1112486 | skos:definition | NCI: An aggressive and progressive mast cell neoplasm characterized by systemic infiltration of internal organs by aggregates of neoplastic mast cells. There is no evidence of mast cell leukemia or clonal hematologic malignancy. Clinical symptoms include hepatomegaly, splenomegaly, portal hypertension, malabsorption syndrome, and pathologic fractures.,NCI: An aggressive and progressive mast cell neoplasm characterized by systemic infiltration of internal organs by aggregates of neoplastic mast cells.,MSH: A form of systemic mastocytosis in which patients have impaired organ functions due to multifocal infiltrates of pathological MAST CELLS in bone marrow, liver, spleen, gastrointestinal tract, or skeletal system. The cytomorphology shows a low to high grade. | lld:umls |
