A case of acute lymphoblastic leukemia with morphological characteristics of Burkitt's leukemia (L3 morphology) is presented. This patient's lymphoblasts were lacking in surface immunoglobulin, but were found to contain cytoplasmic IgM. This is the first report of a morphologically B-cell leukemia showing pre-B-cell characteristics immunologically.

Topics:
acute lymphocytic leukemia, burkitt's lymphoma, cellular morphology, cytoplasm, immunoglobulins, chronic lymphocytic leukemia, immunoglobulin m, receptors, antigen, b-cell
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Copyright © 1980 by The American Society of Hematology
1980
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