Juvenile Myelomonocytic Leukemia (JMML)

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WHO WE ARE — Seattle Cancer Care Alliance is a world-class cancer treatment center that unites doctors from Fred Hutch, UW Medicine and Seattle Children's. Learn More

Overview

The medical team at Seattle Children’s, a founding organization of Seattle Cancer Care Alliance (SCCA), has a long history of successfully caring for children and teens who have leukemia. Renowned specialists from Children’s and SCCA work together to improve your child’s quality of life and conquer leukemia.

This section covers information you'll need to know about juvenile myelomonocytic leukemia (JMML). About one to two percent of children with leukemia have JMML. It mainly affects children younger than four years old.

JMML is a very hard type of leukemia to treat. The current treatment includes chemotherapy and a bone marrow (hematopoietic stem cell) transplant.

Cancer Care Success Rates

Read about Seattle Children’s success rates for treating pediatric cancers.

Bone Marrow Transplant

If your child’s condition requires a bone marrow transplant, you should know that the Fred Hutch Transplant Program at SCCA was ranked first in outcomes in a multi-year study by the National Marrow Donor Program that measured one-year survival rates of patients at 122 transplant centers in the United States. The Hutch pioneered the use of bone marrow transplants as a treatment for blood diseases more than 40 years ago. Since then thousands of patients with leukemia have come from around the world to receive bone marrow transplants at SCCA. Bone marrow transplants have transformed leukemia and related cancers, once thought incurable, into highly treatable diseases with survival rates as high as 80 percent.