Leiomyosarcomas are extremely rare in the oral region.A case of leiomyosarcoma in the buccal mucosa is presented and the literature briefly reviedwed.

• 摘要平滑肌肉瘤罕见于口腔中，本报告乃提出一颊黏膜平滑肌肉瘤病例加以讨论，并对文献作一回顾。