Rare Blood Disorders

At Memorial Sloan Kettering, we diagnose and treat a variety of rare blood disorders, including myeloproliferative diseases (also called myeloproliferative neoplasms) such as polycythemia vera, primary myelofibrosis, essential thrombocythemia, mastocytosis, chronic neutrophilic leukemia, and eosinophilia. Our expertise in caring for and preserving quality of life of people with these and other rare blood disorders is unparalleled nationwide.

Learn more about rare blood disorders using the navigation below. For information about more-common blood cancers, visit leukemias, lymphomas, or multiple myeloma. For information about blood clotting, anemia, thrombocytopenia, or other conditions that can develop as a result of cancer or its treatment, visit benign blood disorders.

For information about blood disorders in children and adolescents, visit pediatric blood disorders.

Making an Appointment

Call 800-525-2225
Mon–Fri, 8:30 AM–5:30 PM, ET

Watch a video|For referring physicians

Pictured: Martee Hensley
Becoming a Patient: The First Steps

If you have recently been diagnosed with cancer or a related disease, we can help you understand your treatment options.

Pictured: Christina Maggiuli
Patient Care Facilities

We provide patient care at locations in New York City and at state-of-the-art facilities in New Jersey, Long Island, and Westchester County.

Our experts offer state-of-the-art treatment for rare cancers that develop in the bone marrow, blood, and lymph nodes.