950368 A study on the relationship hetween morphol-ogy and gene hepterogeneity in acute promyelocyticleukemia.XIONG Shumin(熊树民),et al.shanghaiHematol Instit & Ruijin Hosp,Shanghai,200025.ChinJ Intern Med 1995;34(3):165-168.Aucte promyelocytic leukemia (APL) can be treatedby all-trans retinoic acid (ATRA) with high completeremission rate.50 cases of APL diagnosed morphologi-cally were studied on their cytogenetics,molecular bi-ology and response to treatment with ATRA.Fortyfive cases showed chromosomal translocation t(5;17)and PML/RAR α fusion gene (PML+RARα+APL)
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