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ID:59055513
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时间:2020-09-14
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1、.(1)Toprospectivelyevaluatetheeffectofheartrate,detectionofbreastcancermorphologiccriteriathatheartratevariability,andcalcificationdual-sourcearemammographicallyvisiblearefrequentlycomputedtomography(CT)imagequalityandtoinsufficientforthedifferentiation
2、ofbenignfromprospectivelyassessdiagnosticaccuracyofmalignantlesions.Performanceofneedleaspirationdual-sourceCTforcoronaryarterystenosis.byandneedlelocalizationproceduresfollowedbyusinginvasivecoronaryangiographyastheexcisionalbiopsyisfrequentlynecessary
3、toreferencestandard.determinetheoriginofamammographicfinding.前瞻性评价心率、心率变异性及钙化双源计算机虽然摄影是乳腺癌的形态学标准,乳房可见检测相当断层扫描成像质量的影响及对冠状动脉狭窄的双源性冠状动脉狭窄诊断的准确性评价。以侵入敏感,经常不足的恶性病变良性分化性能。穿刺针定性冠状动脉造影为参照标准。位切除活检程序经常需要确定一个X线发现的起源(2)Chestradiographyplaysanessentialroleinthediagn
4、osisofthoracicdiseaseandisthemostfrequentlyperformedradiologicexaminationinthe(4)Therefore,initiativeshavebeentakenamongUnitedStates.SincethediscoveryofXraysmoreradiationprotectionauthoritiestogiveprioritytothanacenturyago,advancesintechnologyhaveinvest
5、igationsofdoselevelsandfrequenciesofyielednumerousimprovementsinthoracicimaging.X-rayexaminationsamongchildren.ThemainEvolutionaryprogressinfilm-basedimaginghasledobjectiveistoestablishrecommendationofuppertothedevelopmentofexcellentscreen-filmsystemsdo
6、selimitsforvariousdiagnosticproceduresandtospecificallydesignedforchestradiography.implementminimumrequirementsforequipmentstandards.胸部X线摄影中起着至关重要的作用在胸部疾病的诊因此,在辐射防护当局之间采取了主动行动,优先考断,是最常用的影像学检查在美国。由于发现X射线虑儿童的剂量水平和频率的调查。主要目标是建立各的一个多世纪前,技术的进步得到了大量的改进,在种诊断程序
7、的上限的建议,并实施设备标准的最低要胸部影像。电影为基础的成像的进化进展,导致了专求。门设计用于胸部放射摄影的优秀的屏幕膜系统的发展。(5)Thus,theaimofourstudywastoprospectivelyevaluatetowhatextentimagequalityin16-detectorrowCTcoronaryangiographyisafunctionoftheheartrateandimagereconstructiontechnique.(3)althoughmammogr
8、aphyisquitesensitiveforthe因此,我们的研究的目的是前瞻性评估在何种程度上..的图像质量在16检测器行冠状动脉造影是一个功能收购之前,患者接受单剂量2.5mg的碘。的心脏速率和图像重建技术。(10)Thedegreeofcorrelationbetween(6)Theaimofourstudywastoprospectivelymulti-detectorrowCTcoronaryangiographyandevaluatethe
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