舌骨性迷芽瘤在临床上十分罕见。本文报告 2例舌骨性迷芽瘤并复习有关文献分析其临床特征和组织学特点 ,探讨其发病机理 ,以提高临床医生对这一疾病的认识。1　临床资料病例 1 :患者 ,男 ,69岁 ,发现 (诊治声带息肉 )舌根部肿块 4月余 ,当时无任何自觉症状 ,以后肿块逐渐增大 , Hump ​​budding is very rare in clinical practice. This article reports 2 cases of hyoid bud germ and review the literature review of its clinical features and histological features to explore its pathogenesis in order to enhance clinicians awareness of the disease. 1 Clinical data Case 1: The patient, male, 69 years old, found (diagnosis and treatment of vocal cord polyps) Tongue root mass in more than 4 months, then there was no symptoms, after the mass gradually increased,