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Human cord blood lymphocytes. Ultrastructural and immunologic surface marker characteristics; a comparison with B-
Abstract:
The ultrastructural and surface marker characteristics of human cord blood lymphocytes were studied. These properties were compared with those in cells of patients in the leukemic phase of both malignant lymphoma, poorly differentiated lymphocytic type, and mycosis fungoides. Nuclear folding in cord blood lymphocytes was similar to that seen in lymphocytes of patients with malignant lymphoma, poorly differentiated lymphocytic type and mycosis fungoides. Surface marker characteristics of cord blood lymphocytes included increased percentages of surface IgD on cells bearing surface immunoglobulins and decreased percentages of E-rosette-forming cells. The hypothesis that both malignant lymphoma, poorly differentiated lymphocytic type and mycosis fungoides represent an arrest in the normal lymphocyte maturation sequence is discussed.