Methods The signs of ordinary X ray film,CT and 3D CT were compared with each other and with operative and pathological findings in 37 cases of malignant tumors of jaws.

• 方法 对不同类型的颌骨恶性肿瘤的常规X线、CT和三维CT显示情况进行对比分析,同时与手术病理结果相对照。