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^(18)F-FDGPET/CT评估淋巴瘤治疗后残存病灶性质的价值 被引量:1

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摘要 目的评价正电子发射型计算机断层显像/X线计算机体层成像(PET/CT)对淋巴瘤患者治疗后残存病灶性质诊断的准确率。方法纳入2007年11月至2015年4月于我院经穿刺活检或切取活组织病理证实为淋巴瘤的患者,行18F-氟代脱氧葡萄糖(FDG)PET/CT显像后给予临床放化疗,治疗结束后再次显像发现摄取18 FFDG的残余病灶,根据Deauville五分法标准评分选择在2~4分之间的患者共43例(男性24例,女性19例),年龄11~71岁,其中霍奇金淋巴瘤26例,非霍奇金淋巴瘤15例,病理类型不详2例。根据多次行^(18)F-FDG PET/CT或其它影像学检查监测该残留病灶的预后。结果所有患者共发现71处残余病灶,通过临床及影像学监测,随访证实淋巴结残余病灶无肿瘤残余38例,有肿瘤残余33例。通过ROC曲线分析,确定最大标准摄取值(SUV_(max))评价霍奇金淋巴瘤和非霍奇金淋巴瘤淋巴结肿瘤残存的最佳临界值为2.43,该界值评价残存肿瘤的灵敏度为63.6%,特异度为78.9%,准确率为71.8%,阳性预测值为72.4%,阴性预测值为71.4%。以SUV_(max)>2.43作为判断肿瘤残余的临界值,真阳性21处,真阴性30处,假阳性8处,假阴性12处。结论对于淋巴瘤治疗后残存病灶的性质,PET/CT是有效的鉴别方法,半定量分析SUVmax可以作为一个客观指标评价残余肿瘤性质。
出处 《四川大学学报(医学版)》 CAS CSCD 北大核心 2017年第3期476-478,482,共4页 Journal of Sichuan University(Medical Sciences)
基金 国家自然科学基金(No.81571637 No.81271532) 四川大学优秀青年学者基金(No.2015SCU04B09)资助
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