Unusual Presentation of Metachronous Multicentric Giant Cell Tumor of Forearm Bones with Literature Review.

Case: We present an unusual case of metachronous multicentric giant cell tumor (GCT) of forearm bones in a 38-year-old male patient with an 8-year follow-up. The diagnosis was established by imaging and histopathology. He underwent multiple surgeries with extraperiosteal resection of lesions with free fibular grafts.