恶性肿瘤骨转移多发生于躯干骨,如盆骨、颅骨、脊柱和肋骨等,而颌骨转移性肿瘤却很少见。现将我们遇到的2例报告如下。例1:女,3岁。一年前患儿曾因左肾肾母细胞瘤行左肾切除术,术后未经其它治疗,两个月前患儿口内右侧下颌处出现一花生米大肿物,逐渐长至鸡蛋大,影响咀嚼及 Malignant bone metastases occur mostly in the trunk bones such as the pelvis, skull, spine and ribs, while metastatic tumors of the jaw are rare. We now report two cases as follows. Example 1: Female, 3 years old. One year ago, the patient had undergone a left nephrectomy for left renal nephroblastoma. No other treatment was performed. Two months earlier, a large mass of peanuts appeared in the right lower jaw of the patient’s mouth and gradually grew to large eggs. , affect chewing and