QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:SPIO联合Gd-DTPA增强对大鼠肝癌结节诊断价值研究

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Date of Publication:2007-12-20

Journal:中国医学影像技术

Included Journals:PKU、ISTIC、CSCD、Scopus

Volume:23

Issue:12

Page Number:1749-1752

ISSN No.:1003-3289

Key Words:动物模型;肝肿瘤;超顺磁性氧化铁;钆喷替酸葡甲胺;磁共振成像

Abstract:目的 探讨超顺磁性氧化铁(SPIO)联合钆剂(Gd-DTPA)增强对诱发大鼠肝硬化肝癌结节的诊断价值.方法 Wistar大鼠50只(实验组n=40,对照组n=10),前者饮水中加入二乙基亚硝胺到第12周,第13~19周随机抽取大鼠进行SPIO联合Gd-DTPA增强扫描,取大于3 mm结节送病理,区分肝硬化(RNs)和肝癌(HCC)结节;比较两种对比剂增强的肿瘤检出率,结果进行χ2检验.结果 106个结节中RNs 24个,HCC 82个,SPIO、Gd-DTPA增强肿瘤检出率分别为95.12%、89.02%,SPIO肿瘤检出率高于Gad-DTPA(P>0.05).结论 SPIO较Gd-DTPA增强更易检出肝癌结节,SPIO联合Gad-DTPA增强对肝硬化、肝癌结节定性诊断有互补作用.

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