qMRI乳腺成像模体,美国QalibreMDqMRI定量核磁共振乳腺模体
型号:HPDBP131类别:质控模体品牌:美国QalibreMDpdf资料:qMRI乳腺成像模体,美国QalibreMDqMRI定量核磁共振乳腺模体.pdf 
qMRI乳腺成像模体,美国QalibreMDqMRI定量核磁共振乳腺模体详细介绍:
qMRI乳腺成模体,美国QalibreMDqMRI定量核磁共振乳腺模体-专为MRI执行定量乳房成像而设计
qMRI乳腺成模体,美国QalibreMD
qMRI定量核磁共振乳腺模体包括一套柔软的硅胶外壳,具有刚性聚碳酸酯内部结构。每个充满大量溶液以模拟纤维腺体组织T1。一种乳房标准是各种乳房组织的专用T1mimic,另一种是扩散模拟标准。乳房标准可以适用于大多数乳腺成像检测线圈。所有组件都可溯源到NIST,为MRI扫描仪和乳房线圈以及成像协议和程序提供准确的标准化。
对应的型号为:HPDBP131
qMRI乳腺成模体,美国QalibreMDqMRI定量核磁共振乳腺模体主要特征
T1放松模仿:
4层交替纤维腺体和脂肪模拟物与T1扩散(100ms-1900ms)
充满纤维腺体T1的12个球体被大块脂肪模拟物包围
充满脂肪模拟物的12个球体被大块纤维状腺体模拟物包围
qMRI乳腺成模体,美国QalibreMDqMRI定量核磁共振乳腺模体扩散模拟:
12个管充满0,10,25或40%PVP水溶液以模拟扩散
4管充满脂肪模仿
散装溶液是纤维腺体T1模拟物
 
qMRI乳腺成模体,美国QalibreMDqMRI定量核磁共振乳腺模体评估以下参数:
B1不均匀
B0不一致
几何线性
梯度幅度
系统中心频率漂移(短时间持续时间)
分辨率(高对比度可检测性)
SNR(低对比度可检测性)
T1和T2测量的精度和精度
表观扩散系数的精度和精度
QuantitativeMRI(qMRI)BreastStandard-SpecificallydesignedforMRI’sPerformingQuantitativeBreastImaging
TheqMRIBreastStandardconsistsofananthropomorphicsetofpliable
siliconeshellswithrigidpolycarbonateinternalstructures.Eachis
filledwithabulksolutiontomimicfibroglandulartissueT1.One
breaststandardisadedicatedT1mimicofthevariousbreasttissues,
andtheotherisadiffusionmimicstandard.TheBreaststandardcanfit
intomostdetectioncoilsforbreastimaging.Allcomponentsare
traceabletoNIST,providingforaccuratestandardizationofMRI
scannersandbreastcoilsaswellasimagingprotocolsandprocedures.
KeyFeatures
T1RelaxationMimic:
4layersofalternatingfibroglandularandfatmimicswithT1spread(100ms-1900ms)
12spheresfilledwithfibroglandularT1surroundedbybulkfatmimic
12spheresfilledwithfatmimicsurroundedbybulkfibroglandularmimic
DiffusionMimic:
12tubesfilledwith0,10,25or40%aqueousPVPsolutiontomimicdiffusion
4tubesfilledwithfatmimic
BulksolutionisfibroglandularT1mimic
 
TheqMRIBreastStandardevaluatesthefollowingquantities:
B1Non-uniformity
B0Non-uniformity
Geometriclinearity
GradientAmplitude
SystemCenterFrequencyDrift(shorttimeduration)
Resolution(High-contrastdetectability)
SNR(Low-contrastdetectability)
AccuracyandprecisionofT1andT2measurements
AccuracyandprecisionoftheApparentDiffusionCoefficientSAG:qMRI乳腺成像模体,定量核磁共振模体,定量核磁共振乳腺模体,qMRI乳腺模体,美国QalibreMD模体,qMRI乳腺模体