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摘要目的比较头颈部恶性肿瘤放疗后上颈椎的放射性骨坏死与该区域恶性病变治疗后癌肿复发或者转移的MRI表现的不同。材料与方法这项研究通过医院伦理委员会同意,无需获得知情同意。将2005年1月—2010年12月的35例因头颈部恶性肿瘤行放疗后MRI发现第1或者第2颈椎受到损害的病人纳入研究中。
Abstract Objective To compare the MRI findings of radiographic osteonecrosis of the upper cervical spine after radiotherapy of malignant head and neck cancer with the recurrence or metastasis of the cancer after the treatment of malignant lesions in this area. Materials and Methods The study was approved by the Hospital Ethics Committee without obtaining informed consent. From January 2005 to December 2010 35 cases of head and neck cancer after radiotherapy MRI found that the first or second cervical vertebra damaged patients were included in the study.