Objective To discuss the location of giant cell tumor of tendon sheath(GCTTS) in hand,and the relation between bony erosion,degenerative change and recurrence of the tumor.

• 目的探讨手部腱鞘巨细胞瘤的好发部位,以及临床上出现骨皮质侵蚀,受累关节退行性改变与肿瘤复发的关系。