Abstract:
:We report five patients who had greater than 30% peripheral blasts and less than 30% marrow blasts. By the current standards these cases would be classified as myelodysplastic syndrome. Four of five patients progressed to acute leukemia within approximately 1 1/2 months of developing greater than 30% peripheral blasts. Two of these four patients had evidence of acute leukemia by criteria other than marrow involvement at the time of presentation: one patient had evidence of multifocal dermal involvement; and the other patient had a cytogenetic abnormality, t(8;21), found predominantly in acute leukemia. The fifth patient developed acute leukemia 2 years after initial presentation with greater than 30% peripheral blasts. Although our series of patients is small, it does suggest that patients who have greater than 30% peripheral blasts should be considered an acute leukemia, even with less than 30% marrow blasts.
journal_name
Bloodjournal_title
Bloodauthors
Cason JD,Trujillo JM,Estey EH,Huh YO,Freireich EJ,Stass SAsubject
Has Abstractpub_date
1989-10-01 00:00:00pages
1758-61issue
5eissn
0006-4971issn
1528-0020journal_volume
74pub_type
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