Immunohistochemical profile and fluorescence in situ hybridization analysis of diffuse large B-cell lymphoma in Northern China

Ting Li, L. Jeffrey Medeiros, Pei Lin, Hongfang Yin, Martin Littlejohn, Whan Im, P. Alan Lennon, Peter Hu, Jeffrey L. Jorgensen, Mei Liang, Hua Guo, C. Cameron Yin

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


Context.-Gene expression profiling of diffuse large B-cell lymphoma using complementary DNA microarrays has revealed 2 major prognostic groups in Western countries: germinal center B-cell-like and nongerminal center B-cell-like lymphomas. Immunohistochemical analysis using antibodies specific for CD10, BCL6, and MUM1 has been proposed as a surrogate for gene expression profiling. Objective.-To study the immunohistochemical features of diffuse large B-cell lymphoma cases from northern China because geographic differences for this disease are known to exist. Design.-Morphologic, immunohistochemical, and fluorescence in situ hybridization analyses of 63 cases of diffuse large B-cell lymphoma from northern China. Results.-There were 38 men and 25 women with a median age of 57 years (range, 12-87 years). CD10 was positive in 19 cases (30%), BCL6 was positive in 22 cases (35%), and MUM1 was positive in 32 cases (51%). Twenty-one (33%) cases were germinal center B-cell-like lymphoma, and 42 (67%) were nongerminal center B-cell-like lymphoma. BCL2 was expressed more often in nongerminal center B-cell-like disease versus germinal center B-cell-like disease (60% versus 24%, P = .01) and in nodal versus extranodal (64% versus 30%, P = .01) cases. Fluorescence in situ hybridization analysis showed BCL6, MYC, and BCL2 rearrangements in 11 of 32 (34%), 8 of 27 (30%), and 11 of 50 (22%) cases, respectively. Conclusions.-These results add to what is known about the geographic variation of diffuse large B-cell lymphomas. In northern China, the frequency of the germinal center B-cell-like type and BCL6 expression and/or BCL6 rearrangement is less and the frequency of MYC rearrangement is greater than have been reported in Western countries.

Original languageEnglish (US)
Pages (from-to)759-765
Number of pages7
JournalArchives of Pathology and Laboratory Medicine
Issue number5
StatePublished - May 2010
Externally publishedYes

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Medical Laboratory Technology


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