Osteoid-osteoma of the radius. Report of a case

This case is a report of a 9-year-old boy with an osteoid osteoma in the distal radius, an unusual location. The tumor was remarkably large in size, and pain unrelieved by aspirin. Osteoid-osteomatat have been described in just about every bone in the skeleton. Lower extremity involvement is more frequent than upper in all series and incidence is much higher in males than in females. Pain is the major complaint, both night and day. The response to aspirin is variable. The diseases is most frequently encountered in the second decade of life.