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[Primary osseous leiomyosarcoma of the jaw. Apropos of a case].

Primary leiomyosarcoma of bone is a malignant smooth muscle tumour uncommonly found in the jaws. We report a case of primary leiomyosarcoma of the mandible in a 31-year-old man treated with wide resection and radiotherapy then secondary reconstruction with a fibula free flap. No recurrence or distant metastasis has developed four years after the initial surgery. We review the literature on primary leiomyosarcoma of the jaws.