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Chronic lymphocytic leukemia

Chronic lymphocytic leukemia
#00063762
Author: Mir Alikhan, MD
Category: Lymphoma: Mature B-cell and Plasma cell Neoplasms > Low-grade B-cell lymphoma > Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma
Published Date: 10/19/2021

Immunohistochemical stains show the lymphocytes are mostly CD20-positive B-cells with just a few background T-cells. There is aberrant expression of CD5, without cyclin D1 positivity.