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R Tantravahi, M Schwenn, C Henkle, M Nell, PR Leavitt, JD Griffin and HJ Weinstein
Cytogenetic studies were performed in 18 consecutive children with acute
nonlymphocytic leukemia (ANLL) between 1981 and 1983. Three children with
acute myelomonocytic leukemia (AMMoL; M4, FAB classification) had the
following unique bone marrow morphology and cytogenetic abnormality:
eosinophilic precursors with dysplastic violaceous granules and a
pericentric inversion of chromosome 16. Surface marker analysis of leukemic
cells from these patients, using a panel of monoclonal antibodies, revealed
the expression of a series of monocyte markers. The association of an
inversion of chromosome 16 with abnormal eosinophil morphology in the M4
subtype of ANLL appears to represent a unique subgroup of patients.
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| Copyright © 1984 by American Society of Hematology Online ISSN: 1528-0020 | |||||||||