下颌骨骨母细胞瘤恶变１例山东滨州地区人民医院放疗科于甬华，王振峰，陈兴秀骨母细胞瘤少见，约占原发性骨肿瘤的１％，但发生于下颌骨的骨母细胞瘤极为少见，我们经治一例，报道如下：曲某，男，２５岁。７月前右下牙龈处长一无痛性肿块，生长较快，约核桃大，在外院手... One case of malignant transformation of mandibular osteoblastoma People's Hospital of Shandong Binzhou radiotherapy department in Yonghua, Wang Zhenfeng, Chen Xingxiu osteoblastoma rare, accounting for about 1% of primary bone tumors, but occurred in the mandibular osteoblastoma Very rare, we rule a case, reported as follows: Qu Mou, male, 25 years old. 7 months ago, right lower gums a painless mass, rapid growth, about walnut large, outside the hospital hand ...