乳腺肿瘤CT灌注成像价值.docx

乳腺肿瘤CT灌注成像价值
【关键词】 乳腺肿瘤
[摘 要]目的:探讨乳腺肿瘤CT灌注的诊断价值。方法:对17例钼靶检查发现乳腺肿块性病变(21个病灶)行CT灌注扫描,使用电影模式,s/圈,5mm层厚×4,120kV,60mA延迟时间10s,总扫描时间50s,使用GE工作站和Perfusion3软件包,对生成的动态图像数据和图像强度随时间变化的相关信息进行分析,考察各种与灌注相关的参び数情况,并进行统计学分析。结果:乳腺稿癌组血流量(BF):(±)ml/(m巴in・100g),血容量(BV):(犋±)ml/100g,平均通过时间(M厨TT):(±)s;血管表面通透性(P跄S):(±)ml/(min・100g),良性肿块组BF:(±)ml/(m宄in・100g);BV:(±)ml/100g;MTT:(±)s;PS:(沧±)ml/(min・100g),两组迄BF、BV、PS之间的差异有统计学意***义(P[关键词]乳腺肿瘤;体层摄影术狼;X线计算机;灌注
TheValue窗ofCTPerfusionImagi掭ngforBreastTumor
A锊bstract:ObjectiveT纠oresearchthevalueofCTperfusionimagin┛gforbreasttumor21focusesofinfectioni几n17caseswhogotbrea#sttumorlikepatholo荃gicalchangesdiagno旰sedbymolybdenumtar哐getexaminationwere锏
scannedbyCTperfusi硭onimaging,filmmode洌l,s/circle,5mminth鬻ick×4,120kV,60mA,d峥elayedtime10s,scan矧timeinall50s,works诂tationandperfusion3softwarewereused,thedataofcreatingdynamicpictureandth靳erelativeinformati馐onthatimageintenti锿onchangeswithtimec浆hangewereanalyzeda嗉ndeveryparametersr莽elatedwithperfusio陆nwerestudiedandanalyzedBreastcanergr萌oup:BF(±)ml/(min・1蛛00g),BV(±)ml/100g,黄MTT(±)s,PS(±)ml/(m包in・100g).Benigngroup:BF(±)ml/(min・10肜0g),BV(±)ml/100g,M考TT(±)s,PS(±)ml/minブ/100issignificantd救ifferenceofBF,BV,P镣Sbetweentwogroups(笏PKeywords:Breasttumor;Tomographytech呤nique;puter祉;Perfusion
乳腺肿瘤的诊断全和鉴别诊断在乳腺外科中具有重要的临床佼意义。多层螺旋CT以其较高的时间分辨吓力和强大的后处理技术等优势,越来越受腐到临床的关注。随着CT灌注成像技术在锹体部一些实质性脏器肿瘤中的应用,其在乒乳腺肿瘤中的应用,也渐渐受到了重视。愫常规CT主要反映大体