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Annals of Clinical and Laboratory Science, Vol 13, Issue 3, 193-200
Copyright © 1983 by Association of Clinical Scientists

Articles

T-cell prolymphocytic leukemia with a suppressor phenotype

AT Planas, KW Zamkoff, BJ Poiesz, AS Kurec, and FR Davey

A diagnosis of prolymphocytic leukemia was made from the blood and bone marrow of a 50 year old man. The neoplastic cells were studied by use of light and electron microscopy. Neoplastic cells were focally positive for acid phosphatase and alpha naphthyl acetate esterase. In addition, neoplastic cells formed rosettes with sheep erythrocytes and reacted with Leu-1 and Leu-2a but not Leu-3a antisera. No terminal deoxynucleotidyl transferase (TdT) activity was noted in these cells. It is concluded that these neoplastic cells were phenotypically mature suppressor T lymphocytes. Furthermore, T and B cell prolymphocytic leukemias were compared according to clinico-pathological, cytochemical, ultrastructural, and immunological findings derived from our review of the current literature.




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Copyright © 1983 by the Association of Clinical Scientists.