Objective To investigate the expression of p21WAF1/CIP1and Proliferating Cell Nuclear Antigen (PCNA) in Giant Cell Tumor of bone (GCT) and the relationship between the expression and the differentiation/recurrence of GC T.

• 目的 探讨 p2 1WAF1/CIP1、PCNA在骨巨细胞瘤中的表达特点及其与骨巨细胞瘤的分化和复发的关系。