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应重视转化型淋巴瘤的诊断
低度恶性淋巴瘤转化成高度恶性淋巴瘤即为转化型淋巴瘤(transformed lymphoma,TL).转化主要发生在惰性B细胞淋巴瘤向弥漫大B细胞淋巴瘤(diffuse large B cell lymphoma,DLBCL),少数向伯基特淋巴瘤(Burkitt lymphoma,BL)或其它侵袭性淋巴瘤转化,如滤泡型淋巴瘤( follicular lymphoma,FL)向DLBCL、树突状淋巴瘤或BL转化,黏膜相关性淋巴样组织结外边缘区淋巴瘤(mucosaassociated lymphoid tissue lymphoma,MALT)、小淋巴细胞淋巴瘤(small lymphoid lymphoma,SLL)/慢性淋巴细胞白血病(chronic lymphoblastic leukemia,CLL)、淋巴浆细胞样淋巴瘤(lymphoplasmacytic lymphoma,LPL)和结节性淋巴细胞为主型霍奇金淋巴瘤( nodular lymphocyte-predominant Hodkin's lymphoma,NLPHL)向DLBCL转化,套细胞淋巴瘤(mantle cell lymphoma,MCL)向淋巴母细胞淋巴瘤(lymphocytoblast lymphoma,LBL)转化等.