“…Since 1995, when Resnick et al first introduced arthroscopic resection of an osteoid osteoma in the ankle, an increasing number of cases treated in this manner have been reported with successful outcomes [19] , [20] , [21] , [22] , [23] , [24] , [25] . Arthroscopy is a minimally invasive surgical method offering the advantages of a shorter hospitalization time, a reduced risk of infection, and a reduced need for long postoperative rehabilitation [26] . Because synovitis can accompany tumor, it can be easily managed with arthroscopic synovectomy.…”