PERCUTANEOUS RESECTION OF OSTEOID OSTEOMA UNDER CT GUIDANCE IN 8 CHILDREN

In eight children with suspected osteoid osteoma, a percutaneous resec tion under CT guidance was performed. The specific drill resection sys tem we currently use includes a 7-mm-diameter toothed drill. Osteoid o steomas were located in the appendicular skeleton in seven children an d in the spine (second lumbar vertebral body) in one. All eight patien ts were successfully treated with complete relief of pain. There was n o recurrence of symptoms during a follow-up period of 8-35 months. CT guidance was accurate enough to allow a focal bone excision, and no su bsequent bone repair was needed. Histological confirmation was obtaine d in all cases. This simple and safe technique, when feasible, seems t o be an effective means of treatment of osteoid osteoma in children.