Objective To studies the expression rule of proliferating cell nuclear antigen(PCNA) in non-Hodgkin s lymphoma and reactive lymphoid hyperplasia (RLH).

• 目的:探讨增殖细胞核抗原(PCNA)在非霍奇金淋巴瘤(NHL)和反应性增生淋巴组织(RLH)中表达的规律及意义。