Chronic Lymphocytic Leukemia Differential Diagnoses
- Author: Muhammad A Mir, MBBS, FACP; Chief Editor: Emmanuel C Besa, MD more...
Diagnostic Considerations
Mantle cell lymphoma can have a clinical presentation very similar to chronic lymphocytic leukemia (chronic lymphoid leukemia, CLL) but more aggressive.
Several features aid in the distinction of mantle cell lymphoma from CLL. Mantle cell lymphoma expresses CD5 and CD19 but not CD23 antigen, which is expressed in CLL. Mantle cell lymphoma typically expresses FMC-7. Importantly, expression of CD20 is bright in mantle cell lymphoma, whereas it is dim in CLL.
Anemia secondary to bone marrow involvement with CLL, splenic sequestration of red blood cells, and autoimmune hemolytic anemia associated with a positive Coombs test are included in the differential diagnosis of a patient with anemia who has CLL.
Another problem to be considered is splenic lymphoma with villous lymphocytes.
Differential Diagnoses
- Acute Lymphoblastic Leukemia
- Hairy Cell Leukemia
- Lymphoma, Diffuse Large Cell
- Lymphoma, Follicular
- Lymphoma, Lymphoblastic
- Lymphoma, Mantle Cell
- Lymphoma, Non-Hodgkin
- Small Lymphocytic Lymphoma
- T-Prolymphocytic leukemia (Former T-CLL)
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