Monoclonal antibodies reactive with hairy cell leukemia were developed to aid in the diagnosis of this subtype of B cell chronic lymphocytic leukemia and to gain better insight into the origin of hairy cells. Three antibodies were found to be of value in the diagnosis of hairy cell leukemia. Antibody B-ly 2 can be considered a pan-B cell reagent and generally reacts similar to CD22 antibodies. ...

Hairy cell leukemia is a rare disease comprising about 2% of lymphoid neoplasms.1 This neoplasm can be confused with other hematologic diseases. Therefore, a differential diagnosis must be performed between classic hairy cell leukemia, hairy cell leukemia variant, and splenic marginal zone lymphoma (SMZL).2 According to the World Health Organization (2008), hairy cell leukemia variant was class...

background: hairy cell leukemia (hcl) is a chronic b-cell lymphoid leukemia characterized by pancytopenia, splenomegaly, myelofibrosis and the presence in peripheral blood, bone marrow and spleen of atypical lymphoid cells with a hairy aspect. the study aims to evaluate a group of patients with hairy cell leukemia, hospitalized in the clinic of hematology and oncology, kermanshah, iran, on a pe...

Hairy cell leukemia is an indolent, chronic B-cell lymphoproliferative disorder comprising approximately 2 to 3% of all adult leukemias in the United States. Hairy cells are clonal expansions of mature, activated B-cells. They co-express CD11c, CD19, CD20, CD22, CD25, and CD103. Hairy cells possess clonal immunoglobulin gene rearrangements and express monoclonal surface immunoglobulin of either...

A case-control study was conducted to investigate the etiology of hairy cell leukemia. Forty-five individuals with histologically confirmed hairy cell leukemia comprised the cases. Three neighborhood controls were selected on the basis of age (+/- 5 years), race, sex, and residence at the time of the interview for each case. There was no association found for cigarette smoking, alcohol or coffe...

BACKGROUND The introduction of new treatments for hairy cell leukemia has resulted in improved patient survival but also engendered increasing concern about the possibility of excess second cancers. The available evidence is conflicting, with most risk estimates based on sparse numbers. To our knowledge, no study has evaluated cause-specific mortality in patients with hairy cell leukemia. MET...

Hairy cell leukemia is a chronic B cell leukemia with a number of distinctive features including the unusual tissue distribution of the leukemic cells, hairy cells, and the bone marrow fibrosis. We have been working, for a number of years, on the potential mechanisms behind hairy-cell localization in tissues. In this review, it is summarized how our work has shed very important information rega...

BACKGROUND Hairy cell leukemia is a rare form of leukemia and has been rarely reported in African and pediatric population. OBSERVATION We are reporting a 4-year-old child who was received for investigation for persistent anemia, prolonged fever, and thrombocytopenia. Bone marrow aspiration showed hypercellular marrow with cells characterized by irregular windblown-appearing cell borders with...