A Case of Total Knee Arthroplasty for Osteoarthritis Complicated with Solitary Bone Cyst

Abstract

A Case of total knee arthroplasty for osteoarthritis complicated with solitary bone cyst was reported. The patient was 65 years woman, who complained pain of the right knee joint. X-ray showed remarkable osteoarthritis, and CT very large bone cyst in the tibia. We performed operation using the NexGen type TKA with tibial stem extension. The depth of bone defect was approximately 15cm, and we packed autograft, allograft bone and A-W glass ceramics into the bone defect. Now, one year after the operation, she can walk without pain and no loosening of implants are observed.