Double-Hit Lymphoma with t(8;14)(q24;q32) and t(12;14)(q24;q32) Chromosomal Translocations
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概要
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A 50-year-old man presented with an ileocecal tumor and a large amount of ascites. Lymphoma cells obtained from the ascitic fluid were CD10+, CD20+, CD38+, HLA-DR+, BCL6-, MUM1/IRF4+, BCL2+, and immunoglobulin μ/γ+. The karyotype determined by G-banding and spectral karyotyping was 46, XY, der(3)t(1;3)(q12;p12), -4, +7, t(8;14)(q24;q32), t(12;14)(q24;q32), der(17)t(4;17)(q21;p11). Fluorescence in situ hybridization disclosed that 93% of interphase cells were positive for the c-MYC and immunoglobulin heavy chain gene fusion. The patient was treated with intensive chemo-immunotherapy, resulting in a complete response. The t(8;14)-t(12;14) double-hit may have generated molecular abnormalities analogous to those of a previously cloned three-way translocation t(8;12;14).
著者
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Yamazaki Tomohiro
Department Of Chemistry School Of Science The University Of Tokyo
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Ohno Hitoshi
Department Of Hematology And Oncology Clinical Sciences For Pathological Organs Graduate School Of M
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Ohno Hitoshi
Department of Hematology, Hyogo Prefectural Amagasaki Hospital, Japan
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Yamazaki Tomohiro
Department of Hematology, Hyogo Prefectural Amagasaki Hospital, Japan
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