骨母细胞瘤是良性成骨性肿瘤之一,好发于人体脊柱、肢体长骨、手足小骨和颅骨的扁形骨。发生于颌骨的良性骨母细胞瘤卖属少见,我科曾收治一例,现报道如下: 患儿,男性,7岁,颏部肿物5月,伴咀嚼痛。5个月前患儿摔倒伤及颏部后,下颌骨颏部舌侧长一豆大肿物,日渐增大,生长迅速,颏部膨隆。于1979年6月1日以下颌骨颏部肿物待查收住院。 Osteoblastoma is one of the benign osteogenic tumors, occurs in the human spine, limb long bones, hand, foot and skull flat bone. The occurrence of benign osteoblastoma in the jawbone is a rare occurrence. My department once admitted a case and is reported as follows: Children, male, 7 years old, chin tumor in May, with chewing pain. 5 months ago, children fell over the chin injury and chin, mandibular ling ling long bean big tumor, growing, rapid growth, chin bulging. On June 1, 1979 the following mandible chin tumor to be admitted to hospital.