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时间:2020-05-09
《肠道恶性肿瘤超声造影增强模式及其定量参数特征初探.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、《肿瘤影像学》2015年第24卷第1期·52·OncOradiOlOgy,2015,Vol24.No.1·.论著·肠道恶性肿瘤超声造影增强模式及其定量参数特征初探孙成瑜,陈烨,姚炜,李延芳,程文漪,王颖,雷凯荣同济大学附属杨浦医院超声医学科,上海200090【摘要】目的:分析肠道恶性肿瘤的超声造影(CEUS)增强模式及时间一强度曲线特点,初步探讨CEUS诊断肠道恶性肿瘤的价值。方法:对26例肠道恶性肿瘤患者行CEUS检查,观察病灶的增强模式,利用时间一强度曲线获取肿瘤组织及瘤旁肠壁的定量参数。结果:CEUS显
2、示26~[J患者肠道恶性肿瘤的增强模式均为不均匀性增强,7例病灶局部可见造影剂无充填区。以高增强为主,23例(88.5%)病灶表现为高增强,17f~J(65.4%)由病灶周围开始向心性增强;以快速消退为主,22例(84.6%)显示造影强度持续时间较短,较早消退。肿瘤组织与瘤旁肠壁的起始一达峰时间(ATP)和绝对增强强度差异有统计学意义<0.05)。结论:肠道恶性肿瘤具有特征性的CEUS表现,通过时间一强度曲线可动态观察肠道恶性肿瘤的血流灌注情况,CEUS对肠道恶性肿瘤的诊治具有一定的临床应用价值。【关键词】肠
3、道肿瘤:超声造影:时间一强度曲线中图分类号:R445.1文献标志码:A文章编号:1008.617X(2015)01.0052—04Primarystudyoncharacteristicsofenhancementpatternandquantitativeparametersofcontrast-enhancedultrasoundofintestinalmalignanttumorsSUNChengyu,CHENYe,YA0Wei,LIYanfang,CHENGWenyi,WANYing,LEIKairo
4、ng(DepartmentofUltrasound,ShanghaiYangpuHospitalAfiliatedtoTon~iUniversity,Shanghai200090,China)Correspondenceto:LEIKairongE—mail:lkr558@sina.corn【Abstract】Objective:Toanalyzethecharacteristicsofenhancementpatternandtime—intensitycurveofcontrast-enhancedult
5、rasound(CEUS)ofintestinalmalignanttumors,andtoevaluatethediagnosticvalueofCEUSinintestinalmalignanttumors.Methods:Atotalof26patientswithintestinalmalignanttumorsundertookCEUSexamination.TheenhancementpaRemswereobserved.Thequantitativeparametersoftumortissue
6、sandperitumoralintestinalwallwereacquiredbytime—intensitycurve.Results:CEUSshowedthatallthepatientshadheterogeneousenhancementpattern,and7patientswithemptycontrastareasinthelesions.ThelesionsmainlyshowedhJghenhancementpaRem,23patients(88.5%)withhighenhancem
7、entand17patients(65.4%)withcentripetalenhancement.Thelesionsalsomainlyshowedfastwashout,22patients(84.6%)withhighenhancementmaintainingforashortperiodoftimeandwashedoutquiteearly.Thereweresignificantdifferencesintheabsoluteenhancementintensityandarrivaltope
8、aktimebetweentumortissueandperitumoralintestinalwall(P
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