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Acute lymphoblastic leukemia (ALL) is a cancer of the lymphoid line of blood cells characterized by the development of large numbers of immature lymphocytes. [1] Symptoms may include feeling tired, pale skin color, fever , easy bleeding or bruising, enlarged lymph nodes , or bone pain. [ 1 ]
Subtypes include precursor B acute lymphoblastic leukemia, precursor T acute lymphoblastic leukemia, Burkitt's leukemia, and acute biphenotypic leukemia. While most cases of ALL occur in children, 80% of deaths from ALL occur in adults. [17] Chronic lymphocytic leukemia (CLL) most often affects adults over the age of 55. It sometimes occurs in ...
T-cell acute lymphoblastic leukemia (T-ALL) is a type of acute lymphoblastic leukemia characterized by an aggressive malignant neoplasm of the bone marrow. [6] Acute lymphoblastic leukemia (ALL) is a condition, wherein immature white blood cells accumulate in the bone marrow and crowd out normal white blood cells. [ 7 ]
The most common form childhood leukemia is acute lymphocytic (or lymphoblastic) leukemia (ALL), which makes up 75-80% of childhood leukemia diagnoses. [7] [2] ALL is a form of leukemia that affects lymphocytes, a type of white blood cells which fights infection. When a patient has ALL, the bone marrow makes too many immature white blood cells ...
Acute leukemia or acute leukaemia is a family of serious medical conditions relating to an original diagnosis of leukemia. In most cases, these can be classified according to the lineage, myeloid or lymphoid , of the malignant cells that grow uncontrolled, but some are mixed and for those such an assignment is not possible.
The most common T-cell leukemia is precursor T-cell lymphoblastic leukemia. [1] It causes 15% of acute leukemias in childhood, and also 40% of lymphomas in childhood. [1] It is most common in adolescent males. [1] Its morphology is identical to that of precursor B-cell lymphoblastic leukemia. [1] Cell markers include TdT, CD2, CD7. [1]
Biphenotypic acute leukaemia (BAL) is an uncommon type of leukemia which arises in multipotent progenitor cells which have the ability to differentiate into both myeloid and lymphoid lineages. [1] [2] [3] It is a subtype of "leukemia of ambiguous lineage". [4] The direct reasons leading to BAL are still not clear.
Precursor B-cell lymphoblastic leukemia is a form of lymphoid leukemia in which too many B-cell lymphoblasts (immature white blood cells) are found in the blood and bone marrow. It is the most common type of acute lymphoblastic leukemia (ALL). It is sometimes additionally classified as a lymphoma, as designated leukemia/lymphoma. ALL is the ...
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