Leukemia - Symptoms and causes - Mayo Clinic Leukemia is cancer of the body's blood-forming tissues, including the bone marrow and the lymphatic system Many types of leukemia exist Some forms of leukemia are more common in children Other forms of leukemia occur mostly in adults Leukemia usually involves the white blood cells
Leukemia: Symptoms, Signs, Causes, Types Treatment What is leukemia? Leukemia is a cancer of the blood, characterized by the rapid growth of abnormal blood cells This uncontrolled growth takes place in your bone marrow, where most of your body’s blood is made Leukemia cells are usually immature (still developing) white blood cells
Leukemia - Wikipedia Immediate treatment is required in acute leukemia because of the rapid progression and accumulation of the malignant cells, which then spill over into the bloodstream and spread to other organs of the body Acute forms of leukemia are the most common forms of leukemia in children
Leukemia—Patient Version - NCI - National Cancer Institute Leukemia occurs most often in adults older than 55, but it is also the most common cancer in children younger than 15 Explore the links on this page to learn more about the types of leukemia plus treatment, statistics, research, and clinical trials
Leukemia - American Cancer Society There are several types of leukemia, which are divided based mainly on whether the leukemia is acute (fast growing) or chronic (slower growing), and whether it starts in myeloid cells or lymphoid cells Different types of leukemia have different treatment options and outlooks
Leukemia: Definition, Types Risk Factors | UT MD Anderson Leukemia occurs when the DNA (the genetic instructions that control cell activity) of a bone marrow stem cell mutates at some point in its development The cell becomes cancerous, begins multiplying rapidly and crowds out healthy cells in the blood and bone marrow
Leukemia | Blood Cancer United Learn about the five main types of blood cancer: leukemia, lymphoma, myeloma, myelodysplastic syndromes (MDS), and myeloproliferative neoplasms (MPNs), including how they are diagnosed, treated, disease and treatment side effects