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PET-CT中结直肠癌18F-FDG的摄取与HIF-1α AKT表达的相关性

Zhejiang Clinical Medical Journal(2014)

Cited 23|Views11
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Abstract
目的:探讨PET-CT中SUV值与肿瘤组织缺氧诱导因子(hypoxia inducible factor 1 alpha,HIF-1α)、AKT表达的相关性。方法对20例结直肠癌患者术前进行18F-FDG PET/CT检查,测定肿瘤平均标准摄取值(SUVmean);手术切除标本进行病理检查,并应用免疫组织化学法检测肿瘤组织HIF-1α、AKT表达。分析SUVmean值与组织病理关系及与HIF-1α、AKT表达的相关性。结果20例结直肠癌患者均为高摄取,SUVmean值为(5.42±1.67)。SUVmean值与HIF-1α(r=0.595, P=0.006)、AKT(r=0.522,P=0.018)的表达均呈正相关。结论结直肠癌肿瘤组织中18F-FDG的浓聚与肿瘤组织的缺氧微环境有关。
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Key words
Colorectal neoplasms,Positron-emission tomography,Tomography,X-ray computed,Fluorodeoxyglucose,F18 Glucose transporter-1 hypoxia-inducible factor 1 alpha
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