PREVIOUS QUESTION:

 

NEXT QUESTION:

 

What is chronic lymphocytic leukemia (CLL)?

ANSWER

Chronic lymphocytic leukemia (CLL) is a cancer that affects a type of white blood cell called a lymphocyte.

Lymphocytes help your body fight infection. They're made in the soft center of your bones, called the marrow. If you have CLL, your body makes an abnormally high number of lymphocytes that aren't working right.

More adults get CLL than any other type of leukemia. It usually grows slowly, so you may not have symptoms for years.

Some people never need treatment, but if you do, it can slow the disease and ease symptoms.

From: Chronic Lymphocytic Leukemia WebMD Medical Reference

SOURCES:

American Cancer Society: "Leukemia -- Chronic Lymphocytic," "Lymph Nodes and Cancer."

Annals of Oncology , October 2004.

FDA: "FDA approves new drug for chronic lymphocytic leukemia in patients with a specific chromosomal abnormality."

Leukemia & Lymphoma Society: "Cancer-Related Fatigue Facts," "Managing Side Effects," "Chronic Lymphocytic Leukemia," "Support Groups."

Memorial Sloan Kettering Cancer Center: "Chronic Lymphocytic Leukemia."

National Cancer Institute: "Chronic Lymphocytic Leukemia Treatment (PDQ)."

Up to Date: "Patient information: Chronic lymphocytic leukemia (CLL) in adults (Beyond the Basics)."

Reviewed by Laura J. Martin on December 25, 2018

SOURCES:

American Cancer Society: "Leukemia -- Chronic Lymphocytic," "Lymph Nodes and Cancer."

Annals of Oncology , October 2004.

FDA: "FDA approves new drug for chronic lymphocytic leukemia in patients with a specific chromosomal abnormality."

Leukemia & Lymphoma Society: "Cancer-Related Fatigue Facts," "Managing Side Effects," "Chronic Lymphocytic Leukemia," "Support Groups."

Memorial Sloan Kettering Cancer Center: "Chronic Lymphocytic Leukemia."

National Cancer Institute: "Chronic Lymphocytic Leukemia Treatment (PDQ)."

Up to Date: "Patient information: Chronic lymphocytic leukemia (CLL) in adults (Beyond the Basics)."

Reviewed by Laura J. Martin on December 25, 2018

NEXT QUESTION:

What causes chronic lymphocytic leukemia (CLL)?

WAS THIS ANSWER HELPFUL

THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

    This tool does not provide medical advice. See additional information.

    Other Answers On: