There was statistically significant difference between reactive lymph nodes and NHL in the DNA ploidy status and cell cycle data (SPF, CV, S+G2/M, DI). The S phase fraction (SPF) and S+G2/M had close relationship with the grade of NHL.

• SPF值、S +G2 /M值与非何杰金氏淋巴瘤恶性程度密切相关 ,SPF值、S +G2 /M值随肿瘤的恶性程度增大而增大。