کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
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2139303 | 1087900 | 2008 | 7 صفحه PDF | دانلود رایگان |
The characteristics of de novo diffuse large B-cell lymphoma (DLBCL) with translocation of c-myc and immunoglobulin (Ig) genes (c-myc/Ig DLBCL), were investigated in 13 cases of c-myc/Ig DLBCL. Immunohistochemistry revealed five cases were positive for CD10 and BCL6 expression (CD10+/BCL6+), five cases of CD10−/BCL6+/MUM1−, one case of CD10−/BCL6+/MUM1+ and two cases of CD10−/BCL6−/MUM1+ expression, indicating 10 cases of germinal center B-cell DLBCL and three cases of non-germinal center B-cell DLBCL. Ongoing mutation of the Ig heavy chain gene variable region (IgH-V) was found in two cases with CD10 and BCL6 expression and one case showing CD10−/BCL6+/MUM1− expression. These three cases of ongoing mutation of the IgH-V gene did not express BCL2, unlike those without ongoing mutation. These results suggest a heterogeneous immunophenotype and genotype for c-myc/Ig DLBCL, with CD10−/BCL6+/MUM1− cases the most frequent.
Journal: Leukemia Research - Volume 32, Issue 8, August 2008, Pages 1176–1182