[A case of giant cell tumor originating in the rib].

We have experienced a rare case of giant cell tumor originating in the rib. A 25-year-old male was admitted to our hospital with the abnormal shadow in chest X-ray film. Chest CT, MRI, Bone scintigram showed tumor originating from the right 4th rib. Needle biopsy was performed. As the result, this tumor was suspected giant cell tumor of bone. The tumor was completely resected, and the chest wall defect was covered with the marlex mesh. The pathological diagnosis was a giant cell tumor of bone. The patient is now doing well without recurrence for 14 months after the operation.