Hairy Cell Leukemia

Hairy cell leukemia (HCL) is an indolent, low-grade, B-cell lymphoma characterized by the following: Circulating B-cells with cytoplasmic projections (“hairy” appearance). Splenomegaly. Absent lymphadenopathy. Pancytopenia. Monocytopenia. Hairy cell leukemia is relatively uncommon and accounts for 2% of all leukemia cases, which is about 600-800 new patients diagnosed each year in theĀ USA. It has an extremely low incidence in Japan. The […]

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