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S-phase lymphocytes in chronic lymphocytic leukemia (CLL) in relation to immunoglobulin isotypes on the leukemic
E Kimby1, H Mellstedt, B Nilsson
1Department of Medicine, Danderyd Hospital, Stockholm, Sweden.
Leukemia
|May 1, 1987
Abstract:
The fraction of blood S-phase (S+) lymphocytes from 41 patients with chronic lymphocytic leukemia of B cell type was determined by flow cytometry. The patients were grouped according to the smig isotype pattern of the leukemic cells. Patients with IgM as the predominant smig had higher numbers of S+ lymphocytes than patients with a leukemic clone co-expressing IgM and IgD (p less than 0.001). High relative as well as total numbers of S+ lymphocytes were associated with short therapy-free and overall survival. T cell proliferation was low although significantly higher in active than in indolent disease.