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Large granular lymphocytic leukemia may involve either T-cells or NK cells; like hairy cell leukemia, which involves solely B cells, it is a rare and indolent (not aggressive) leukemia. [ 26 ] Adult T-cell leukemia is caused by human T-lymphotropic virus (HTLV), a virus similar to HIV .
Leukemia is a hematological malignancy or a cancer of the blood. It develops in the bone marrow, the soft inner part of bones where new blood cells are made. When a child has leukemia, the bone marrow produces white blood cells that do not mature correctly. Normal healthy cells only reproduce when there is enough space for them.
CLL is the most common type of leukemia in the UK, accounting for 38% of all leukemia cases. Approximately 3,200 people were diagnosed with the disease in 2011. [91] In Western populations, subclinical "disease" can be identified in 3.5% of normal adults, [92] and in up to 8% of individuals over the age of 70. [93]
Acute lymphoblastic leukemia affected about 876,000 people globally in 2015 and resulted in about 111,000 deaths. [14] [10] It occurs most commonly in children, particularly those between the ages of two and five. [15] [4] In the United States it is the most common cause of cancer and death from cancer among children. [2]
Chronic myelogenous leukemia (CML), also known as chronic myeloid leukemia, is a cancer of the white blood cells.It is a form of leukemia characterized by the increased and unregulated growth of myeloid cells in the bone marrow and the accumulation of these cells in the blood.
Acute megakaryoblastic leukemia (AMKL), a sub-type of acute myelogenous leukemia; Chronic Idiopathic Myelofibrosis (MF) Chronic myelogenous leukemia (CML) T-cell prolymphocytic leukemia (T-PLL) B-cell prolymphocytic leukemia (B-PLL) Chronic neutrophilic leukemia (CNL) Hairy cell leukemia (HCL) T-cell large granular lymphocyte leukemia (T-LGL)
Adult T-cell leukemia/lymphoma (ATL or ATLL) is a rare cancer of the immune system's T-cells [1] [2] [3] caused by human T cell leukemia/lymphotropic virus type 1 (). [4] All ATL cells contain integrated HTLV-1 provirus further supporting that causal role of the virus in the cause of the neoplasm. [4]
Swollen gums due to infiltration by leukemia cells in a person with AML. Most signs and symptoms of AML are caused by the crowding out in bone marrow of space for normal blood cells to develop. [7] A lack of normal white blood cell production makes people more susceptible to infections. [8]
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