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Hairy cells and macrophages: a comparative study
Leighton tube cultures of peripheral blood leukocytes and splenic cell suspensions of 11 patients with hairy cell leukemia (leukemic reticuloendotheliosis) were utilized to compare characteristics of hairy cells and macrophages. Light and electron microscopy, both transmission and scanning, as well as cytochemical studies demonstrated several striking similarities to macrophages. They included phagocytosis of red cells, platelets, cellular debris, and latex particles, adherence to glass with development of long pseudopodia and cytoplasmic granules, alpha-naphthyl butyrate esterase activity and diffuse and granular periodic acid-Schiff positivity.
Leighton tube cultures of peripheral blood leukocytes and splenic cell suspensions of 11 patients with hairy cell leukemia (leukemic reticuloendotheliosis) were utilized to compare characteristics of hairy cells and macrophages. Light and electron microscopy, both transmission and scanning, as well as cytochemical studies demonstrated several striking similarities to macrophages. They included phagocytosis of red cells, platelets, cellular debris, and latex particles, adherence to glass with development of long pseudopodia and cytoplasmic granules, alpha-naphthyl butyrate esterase activity and diffuse and granular periodic acid-Schiff positivity.