Multiple myeloma involving the jaws and oral soft tissues

A case of multiple myeloma with involvement of the oral cavity in a 75-year-old white man is reported. The patient had a two-year history of multiple myeloma. He had four intraoral soft tissue masses that were diagnosed as plasma cell myeloma. Each of these lesions was over a radiographically evident osteolytic lesion of the jaw. The patient was treated by irradiation and chemotherapy.