Hairy Cell Leukemia Treatment (Professional)
General Information About Hairy Cell Leukemia
Hairy cell leukemia is a chronic lymphoproliferative disorder that is easily controlled. The decision to treat is based on symptomatic cytopenias, massive splenomegaly, or the presence of other complications. About 10% of all patients will never require therapy.
Stage Information for Hairy Cell Leukemia
No generally accepted staging system is useful for both prognosis and therapy.
For the purpose of treatment decisions, it is best to consider this disease in the following two broad categories:
Untreated hairy cell leukemia
Untreated hairy cell leukemia is characterized by splenomegaly, varying degrees of leukopenia (occasionally leukocytosis) and/or pancytopenia, and bone marrow infiltration by an atypical cell with prominent cytoplasmic projections (i.e., hairy cells). The bone marrow is usually fibrotic and is not easily aspirated. Bone marrow biopsies are, therefore, required for diagnosis and evaluation of the degree of hairy cell infiltration.
Progressive hairy cell leukemia
Progressive hairy cell leukemia, postsplenectomy (or following any systemic therapy) is characterized by progressive bone marrow replacement by hairy cells with pancytopenia refractory to treatment. For patients with advanced hairy cell leukemia treated with cladribine (2-chlorodeoxyadenosine, 2-CdA), pentostatin, or interferon-alpha, the survival rate appears to be more than 85% at 5 years following the initiation of any one of these therapies.[1,2]
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