Acute leukemia or acute leukaemia is a family of serious medical conditions relating to an original diagnosis of
leukemia
Leukemia ( also spelled leukaemia and pronounced ) is a group of blood cancers that usually begin in the bone marrow and result in high numbers of abnormal blood cells. These blood cells are not fully developed and are called ''blasts'' or ...
. In most cases, these can be classified according to the lineage,
myeloid or
lymphoid
The lymphatic system, or lymphoid system, is an organ system in vertebrates that is part of the immune system, and complementary to the circulatory system. It consists of a large network of lymphatic vessels, lymph nodes, lymphatic or lymphoid o ...
, of the malignant cells that grow uncontrolled, but some are mixed and for those such an assignment is not possible.
Forms of acute leukemia include:
*
Acute myeloid leukemia
Acute myeloid leukemia (AML) is a cancer of the myeloid line of blood cells, characterized by the rapid growth of abnormal cells that build up in the bone marrow and blood and interfere with normal blood cell production. Symptoms may inclu ...
**
Acute erythroid leukemia
Acute erythrocyte leukemia is a rare form of acute myeloid leukemia (less than 5% of AML cases) where the myeloproliferation is of erythrocytic precursors. It is defined as type "M6" under the FAB classification.
Signs and symptoms
The most com ...
*
Acute lymphoblastic leukemia
**
T-cell acute lymphoblastic leukemia
***
Adult T-cell leukemia/lymphoma
Adult T-cell leukemia/lymphoma (ATL or ATLL) is a rare cancer of the immune system's T-cells caused by human T cell leukemia/lymphotropic virus type 1 (HTLV-1). All ATL cells contain integrated HTLV-1 provirus further supporting that causal role o ...
*** (Precursor)
T-lymphoblastic leukemia/lymphoma
T-lymphoblastic leukemia/lymphoma (WHO 2008), previously labeled precursor T-lymphoblastic leukemia/lymphoma (WHO 2001) is a form of lymphoid leukemia and lymphoma in which too many T-cell lymphoblasts (immature white blood cells) are found in the ...
* ''Blast crisis'' of
chronic myelogenous leukemia
References
{{Set index article
Leukemia