B-cell leukemia

A B-cell leukemia is any of several types of lymphoid leukemia which affect B cells.

Types include (with ICD-O code):

See also

Lymphoid leukemia

Lymphoid leukemias (also called lymphocytic, lymphogenous, or lymphoblastic leukemias) are a group of leukemias affecting circulating lymphocytes, a type of white blood cells. The lymphocytic leukemias are closely related to lymphomas of the lymphocytes, to the point that some of them are unitary disease entities that can be called by either name (for example, adult T-cell leukemia/lymphoma). Such diseases are all lymphoproliferative disorders. Most lymphoid leukemias involve a particular subtype of lymphocytes, the B cells.

Classification

Historically, they have been most commonly divided by the stage of maturation at which the clonal (neoplastic) lymphoid population stopped maturing:

However, the influential WHO Classification (published in 2001) emphasized a greater emphasis on cell lineage. To this end, lymphoid leukemias can also be divided by the type of cells affected: