NCIt synonyms : Chronic Lymphocytic Leukemia Small Lymphocytic Lymphoma;
NCIt related terms : B-cell lymphocytic leukemia/small lymphocytic lymphoma; CLL/SLL;
NCIt definition : An indolent, mature B-cell neoplasm composed of small, round B-lymphocytes. When the
bone marrow and peripheral blood are involved, the term chronic lymphocytic leukemia
is used. The term small lymphocytic lymphoma is restricted to cases which do not show
leukemic involvement of the bone marrow and peripheral blood.;
Alternative definition : NCI-GLOSS: An indolent (slow-growing) cancer in which immature lymphocytes (white
blood cells) are found in the blood and bone marrow and/or in the lymph nodes. Chronic
lymphocytic leukemia (CLL) and small lymphocytic lymphoma (SLL) are the same disease,
but in CLL cancer cells are found mostly in the blood and bone marrow. In SLL cancer
cells are found mostly in the lymph nodes. Chronic lymphocytic leukemia/small lymphocytic
lymphoma is a type of non-Hodgkin lymphoma.;
Neoplastic status : Malignant;
ICD-O code : 9823/3;
Codes from synonyms : CDR0000641291; CDR0000641290;