Recently, using cDNA microarray technology, DLBCL can be divided into prognostically significant subgroups with germinal center B-cell-like (GCB), activated B-cell-like (ABC), or type 3 gene expression profiles.

• 2000年以来国外利用cDNA微阵列技术发现可以将DLBCL分为三型：(1)生发中心样(germinal center B-cell-like, GCB)；