How do you approach management of a patient with mast cell leukemia?

Mast cell leukemia (MCL) is a rare and aggressive subtype of systemic mastocytosis defined by ≥20% mast cells in the bone marrow aspirate. A recent multicenter analysis of 92 patients with MCL had a median overall survival (OS) of 1.6 years. Midostaurin was the most common first-line therapy (45% of...