H. Mori et al., Minimally differentiated acute myeloid leukemia (AML-M0) with extensive erythrophagocytosis and del(20)(q11) chromosome abnormality, LEUK RES, 24(1), 2000, pp. 87-90
We describe an 84-year-old woman who presented severe pancytopenia and 36.6
% of blasts accompanied with erythrophagocytosis in the bone marrow. Accord
ing to cytochemical and immunological findings, a diagnosis of minimally di
fferentiated acute myeloid leukemia (AML-M0) was established. Cytogenetic a
nalysis revealed del(20)(q11) which were previously reported for one case e
ach of ALL and MDS associated with cytophagocytosis by blasts, leading us t
o speculate a disease entity. Interestingly, a high expression of mRNA of T
NF-alpha was detected by RT-PCR on the bone marrow mononuclear cells. (C) 1
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