Basophils are white blood cells that the bone marrow makes. They play a role in a healthy immune system. Levels that are higher or lower than usual may be a sign of inflammation, hyperthyroidism, or ...

Indolent systemic mastocytosis (ISM) is a type of mastocytosis in which fewer clonal mast cells accumulate, thereby slowing the disease course and offering a better prognosis than other, more ...