The term leukemia comes from the Greek words for "white" leukos and "blood" haima. Leukemia is a cancer an abnormal growth of cells of the blood and bone marrow. Unlike other cancers, leukemia does not produce a mass tumor , but results in the overproduction of abnormal white blood cells. Leukemia begins in the immature or developing cells of the bone marrow, the soft, spongy tissue found in the central cavities of bones.
Lymphatic system Lymphatic system Your body's lymphatic system is part of your immune system, which protects you against infection and disease. The lymphatic system includes your spleen, thymus, lymph nodes and lymph channels, as well as your tonsils and adenoids. Scientists don't understand the exact causes of leukemia. It seems to develop from a combination of genetic and environmental factors. How leukemia forms In general, leukemia is thought to occur when some blood cells acquire mutations in their DNA — the instructions inside each cell that guide its action.
Signs and Symptoms of Acute Myeloid Leukemia (AML)
Heavy periods menstrual bleeding in women Symptoms caused by high numbers of leukemia cells The cancer cells in AML called blasts are bigger than normal white blood cells and have more trouble going through tiny blood vessels. If the blast count gets very high, these cells can clog up blood vessels and make it hard for normal red blood cells and oxygen to get to tissues. This is called leukostasis.
Michael is a retired charity director. He is married with one adult child. I guess this story starts on the 8th of September That was the day when, under pressure from my wife, I called my GP in London about a little problem that did not seem like a medical emergency. This was under the new NHS regime under which he kept one day a week free for walk-in appointments and I happened to have called on that one day.