Cytogenetic studies of three acute myelomonocytic leukemias with bone marrow eosinophilia (M4EO) revealed chromosome 16 inversion associated with additional abnormalities. The inverted chromosome 16 was involved in two patients. Fluorescence in situ hybridization (FISH) experiments with a YAC probe detecting inv(16) showed that the translocation breakpoints involving chromosomes 16 did not implicate the inversion breakpoints. FISH can thus distinguish between true variant translocations and translocations with other breakpoints on chromosome 16 in M4EO. (C) 1995 Wiley-Liss, Inc.
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Keimyung Univ, Sch Med, Dept Lab Med, Taegu 700712, South KoreaKeimyung Univ, Sch Med, Dept Lab Med, Taegu 700712, South Korea
Lee, Jae-Hee
Wan, Thomas S. K.
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Univ Hong Kong, Queen Mary Hosp, Dept Pathol, Div Hematol, Hong Kong, Hong Kong, Peoples R ChinaKeimyung Univ, Sch Med, Dept Lab Med, Taegu 700712, South Korea
Wan, Thomas S. K.
Ha, Jung-Sook
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Keimyung Univ, Sch Med, Dept Lab Med, Taegu 700712, South KoreaKeimyung Univ, Sch Med, Dept Lab Med, Taegu 700712, South Korea