Indolent systemic mastocytosis
Indolent systemic mastocytosis
Definition
Indolent systemic mastocytosis (ISM) is a benign form of systemic mastocytosis (SM) characterized by an abnormal proliferation of mast cells either only in bone marrow or in numerous tissues.
Also known as indolent systemic mastocytosis (morphologic abnormality), ISM — per MONDO