2012 年 55 巻 5 号 p. 331-333
A fibrous dysplasia is a benign disorder, but an operation for the purpose of the conditioning the figure is often necessary because it is an osteophytic disease. In the case of an operation of fibrous dysplasia, right and left equality and security were able to grind down a bone by using navigation system. The postoperative result was a satisfactory.