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磁共振类PET成像技术的临床应用研究 被引量:8

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摘要 目的评价磁共振类PET成像技术在临床中的应用。方法 42例健康体检者和286例恶性肿瘤患者均行WB-DWI检查。使用GE1.5T磁共振仪,磁体内置线圈,同时采集全身轴位DWI和与其同层对应的ADC图,经三维-最大密度投影重建及黑白翻转后形成全身类PET图像。结果 286例恶性肿瘤患者,原发灶及转移灶在DWI图像上均呈高信号,ADC图为低信号,其中184例恶性肿瘤患者可看到同脏器更多更小的病灶和其他脏器转移。42例健康志愿者均未发现恶性病变,发现肝血管瘤2例,肝囊肿6例,肾囊肿3例,骶管囊肿2例,DWI图像和ADC上均为高信号。结论磁共振类PET技术对发现恶性肿瘤原发灶及转移灶非常敏感,能更早、更准确地对恶性肿瘤患者进行分期。与PET-CT相比,磁共振类PET技术无辐射、无需注射造影剂、检查方便快捷,更适合危重患者、恶性肿瘤及其治疗后长期随访和健康人群查体。
作者 张振勇
出处 《中国医学创新》 CAS 2012年第7期89-90,共2页 Medical Innovation of China
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