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Topic: Leukemia

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In the News (Mon 17 Jun 19)

  Leukemia Home Page - National Cancer Institute
Acute lymphoblastic leukemia (ALL) is a cancer of the white blood cells, the cells in the body that normally fight infections.
Definition of leukemia: Cancer that starts in blood-forming tissue such as the bone marrow and causes large numbers of blood cells to be produced and enter the bloodstream.
Estimated new cases and deaths from leukemia in the United States in 2007:
www.cancer.gov /cancertopics/types/leukemia   (250 words)

  MedlinePlus: Leukemia, Adult Acute
Leukemia is cancer of the white blood cells.
In leukemia, however, the bone marrow produces abnormal white blood cells.
In acute leukemia, the cells are very abnormal and their number increases rapidly.
www.nlm.nih.gov /medlineplus/leukemiaadultacute.html   (338 words)

  Leukemia - Wikipedia, the free encyclopedia
Leukemia or leukaemia (see spelling differences) is a cancer of the blood or bone marrow characterized by an abnormal proliferation of blood cells, usually white blood cells (leukocytes).
Leukemia is a broad term covering a spectrum of diseases.
Leukemias, like other cancers, result from somatic mutations in the DNA which activate oncogenes or inactivate tumour suppressor genes, and disrupt the regulation of cell death, differentiation or division.
en.wikipedia.org /wiki/Leukemia   (866 words)

 Acute myeloid leukemia - Wikipedia, the free encyclopedia
Acute myeloid leukemia (AML), also known as acute myelogenous leukemia, is a cancer of the myeloid line of white blood cells, characterized by the rapid proliferation of abnormal cells which accumulate in the bone marrow and interfere with the production of normal blood cells.
Rarely, the first sign of leukemia may be the development of a solid leukemic mass or tumor outside of the bone marrow, called a chloroma.
Because acute promyelocytic leukemia (APL) has the highest curability and requires a unique form of treatment, it is important to quickly establish or exclude the diagnosis of this subtype of leukemia.
en.wikipedia.org /wiki/Acute_myelogenous_leukemia   (4377 words)

 Leukemia - Medical Encyclopedia
Leukemia is a group of cancers of the blood-forming tissues.
This is caused by a mutation in its DNA.
Acute leukemias are characterised by the rapid growth of immature blood cells, which then die early (within one to five months.) This crowding makes the bone marrow unable to produce healthy blood cells.
www.nursingstudy.com /encyclopedia/Leukemia.html   (854 words)

Leukemia is cancer of the blood and develops in the bone marrow.
Acute myelogenous leukemia is a cancer of the blood in which too many granulocytes, a type of white blood cell, are produced in the marrow.
The leukemia cells may not be visible in a blood test or bone marrow examination, but it is possible that the cells are still present in the body.
www.healthsystem.virginia.edu /uvahealth/peds_hematology/leukemia.cfm   (2163 words)

 Dr. Koop - Leukemia- Health Encyclopedia and Reference
The identification of the various forms of leukemia is based on the appearance of the leukemic cells in the blood and the bone marrow, the cell surface characteristics of the leukemic cells (based on immunohistochemistry and flow cytometry studies), as well as the presence of certain specific chromosomal abnormalities identified within the leukemic cells.
Therapy of leukemia is dependent on the subtype of leukemia and the clinical condition of the patient.
Leukemia is treated mainly with chemotherapy, although radiotherapy and biological therapy can be used in certain subtypes of leukemia.
www.drkoop.com /encyclopedia/93/622.html   (904 words)

Leukemia is a cancer of the blood and develops in the bone marrow, the body tissue that produces blood cells.
In chronic leukemia, the bone marrow is able to produce a good number of normal cells as well as leukemic cells so that, compared to acute leukemia, the actual disease course is milder for a period of time.
In any acute leukemia, it is necessary to determine which type of white blood cell has become leukemic, because treatment and response to it are different for each kind.
healthlink.mcw.edu /article/926230433.html   (1072 words)

 Acute Lymphocytic Leukemia: Encyclopedia of Cancer
Acute lymphocytic leukemia is a cancer of the white blood cells known as lymphocytes.
Leukemia is a cancer of white blood cells.
In acute leukemia, the cancerous cells are immature forms called blasts that cannot properly fight infection; patients become ill in rapid fashion.
health.enotes.com /cancer-encyclopedia/acute-lymphocytic-leukemia   (4581 words)

 Childhood Cancer: Leukemia
Regular checkups can spot early symptoms of leukemia in the relatively rare cases where this cancer is linked to an inherited genetic problem, to prior cancer treatment, or to use of immunosuppressive drugs for organ transplants.
Because infection-fighting white blood cells are defective in children with leukemia, these children may experience increased episodes of fevers and infections.
Certain features of a child's leukemia, such as age and initial white blood cell count, are used in determining the intensity of treatment needed to achieve the best chance for cure.
kidshealth.org /parent/medical/cancer/cancer_leukemia.html   (1483 words)

Leukemia is a cancer of blood-forming cells in the bone marrow.
In the acute lymphocytic leukemias, growth is not as rapid as that of the myelocytic cells.
In the chronic leukemias, the onset tends to be slow, and the cells generally mature abnormally and often accumulate in various organs, often over long intervals.
www.emedicinehealth.com /leukemia/article_em.htm   (965 words)

 ACS :: What is Adult Chronic Leukemia?   (Site not responding. Last check: )
Chronic leukemia is a type of cancer that starts in blood-forming cells of the bone marrow, and then can spread to other parts of the body including the lymph nodes, liver, spleen, skin, and brain.
Leukemias are divided into four main types with several subtypes to better predict each patient's prognosis and help doctors select the best treatment for each patient.
Acute leukemia versus chronic leukemia: In acute leukemia, the bone marrow cells are unable to properly mature.
www.cancer.org /docroot/cri/content/cri_2_4_1x_what_is_adult_chronic_leukemia_62.asp   (1100 words)

 Leukemia - Cancer Care - James P. Wilmot Cancer Center - Rochester, NY - Western NY
In acute leukemia, the abnormal blood cells are blasts that remain very immature and cannot carry out their normal functions.
Hairy cell leukemia is a chronic leukemia in which the abnormal white blood cells appear to be covered with tiny hairs when viewed under a microscope.
It varies with each type of leukemia and it depends not only on the type of leukemia, but also on certain factors of the cells, including the stage of the disease, the patient's age, whether the leukemia has been treated before and the general health of the patient.
www.stronghealth.com /services/cancer/aboutcancer/leukemia.cfm   (779 words)

 Leukemia - OncologyChannel   (Site not responding. Last check: )
Leukemia is a form of cancer that begins in the blood-forming cells of the bone marrow—the soft, inner part of the bones.
Leukemia often is thought to be a childhood disease.
Chronic leukemia, like many other cancers, is a "disease of old age." The average age of patients with chronic lymphocytic leukemia (CLL) is roughly 70 years, and the average age of chronic myelogenous leukemia (CML) patients is 40 to 50 years.
www.oncologychannel.com /leukemias   (588 words)

 Leukemia - WrongDiagnosis.com
Leukemias are classified as acute or chronic based on the degree of cellular differentiation and the predominant cell type present.
Leukemia is usually associated with anemia, fever, hemorrhagic episodes and splenomegaly.
The prognosis of Leukemia may include the duration of Leukemia, chances of complications of Leukemia, probable outcomes, prospects for recovery, recovery period for Leukemia, survival rates, death rates, and other outcome possibilities in the overall prognosis of Leukemia.
www.wrongdiagnosis.com /l/leukemia/intro.htm   (846 words)

 Leukemia   (Site not responding. Last check: )
Leukemia causes an accumulation of immature cells in the marrow and blood and as a result, the marrow can no longer produce enough normal red and white blood cells and platelets.
Leukemia is also categorized by the cell type involved, either myelogenous or lymphocytic.
Since leukemia is not a single disease but rather a group of diseases, the ACS says treatment options for each patient are based on the type of leukemia and how advanced it is. Chemotherapy, or the use of drugs to kill cancer cells, has long been the main treatment for nearly all types of leukemia.
www.stayinginshape.com /3osfcorp/libv/c05.shtml   (934 words)

 Leukemia & Lymphoma Society - Disease Information - Leukemia
Acute leukemia is a rapidly progressing disease that affects mostly cells that are unformed or primitive (not yet fully developed or differentiated).
Thus, the four major types of leukemia are: acute or chronic myelogenous, and acute or chronic lymphocytic leukemia.
Leukemia Facts & Statistics - Leukemia is a malignant disease (cancer) that originates in a cell in the marrow
www.leukemia-lymphoma.org /all_page?item_id=7026   (355 words)

Leukemia cells also crowd out other types of blood cells produced by the bone marrow, including red blood cells, which carry oxygen to tissues throughout your body, and platelets, which help form blood clots.
Leukemia has four main types and many subtypes — and only some of them are common among children.
Treatment of leukemia is complex — and it depends on your age and health, the type of leukemia and how far it has spread.
www.cnn.com /HEALTH/library/DS/00351.html   (2093 words)

Leukemia describes a group of cancers of the blood that are categorized by how quickly the disease develops and worsens, and by the type of blood cell affected.
In chronic leukemia, some blast cells are present, but in general, these cells are more mature and can carry out some of their normal functions.
Acute lymphoblastic leukemia (ALL) is the most common type of leukemia in young children.
www.fhcrc.org /research/diseases/leukemia   (360 words)

 Leukemia - MayoClinic.com
Leukemia is cancer of your body's blood-forming tissues, including the bone marrow and lymphatic system.
Leukemia cells also crowd out other types of blood cells produced by the bone marrow, including red blood cells, which carry oxygen to tissues throughout your body, and platelets, which help form blood clots.
Treatment of leukemia is complex — and it depends on your age and health, the type of leukemia and how far it has spread.
www.mayoclinic.com /health/leukemia/DS00351   (285 words)

Leukemia is cancer that originates in the bone marrow, the soft, spongy center of the bone that produces blood cells.
There several types of leukemia classified as acute or chronic based on how fast the disease progresses and by the white blood cell type that is affected.
Leukemias are named by the type of white blood cell that is defective.
www.healthatoz.com /healthatoz/Atoz/dc/caz/canc/leuk/leuk_gen_ovw.jsp   (375 words)

 Leukemia: Online References For Health Concerns
The association between radiation exposure and leukemia was noted in survivors of the atomic bomb in Japan (Ichimaru M et al 1991) and in people who lived near the nuclear reactors in the Chernobyl disaster of 1986 (Noshchenko AG et al 2002).
Long-term or occupational exposure to benzene is a cause of acute leukemia (Austin H et al 1988; Rinsky RA et al 1981).
Tumor necrosis factor-alpha (TNF-alpha) is a pro-inflammatory cytokine significantly elevated in all leukemias except for AML and myelodysplastic syndromes (Aguayo A et al 2000).
www.lef.org /protocols/prtcl-067.shtml   (3168 words)

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