High Performance, Quantitative Breast PET Scanner Integrated With Tomosynthesis
集成断层合成的高性能定量乳房 PET 扫描仪
基本信息
- 批准号:10587529
- 负责人:
- 金额:$ 69.13万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2016
- 资助国家:美国
- 起止时间:2016-04-01 至 2027-11-30
- 项目状态:未结题
- 来源:
- 关键词:3-DimensionalAdjuvant ChemotherapyAirAlgorithmsAnatomyAreaBedsBiological MarkersBiopsyBiopsy SpecimenBreastBreast Cancer Early DetectionBreast Cancer TreatmentBreast Magnetic Resonance ImagingBreast biopsyClinicalClinical ResearchComputer softwareCore BiopsyDataDedicationsDevelopmentDevicesDiagnosticDigital Breast TomosynthesisDiseaseEstrogen receptor positiveEvaluationFutureGeometryGoalsHistopathologyImageImaging PhantomsInterventionJointsMagnetic Resonance ImagingMalignant NeoplasmsMeasurementMeasuresMethodologyMethodsModelingMolecularMonitorMorphologic artifactsMotionNeoadjuvant TherapyOperative Surgical ProceduresPET/CT scanPatientsPerformancePhenotypePilot ProjectsPlayPositioning AttributePositron-Emission TomographyPrimary NeoplasmRadiation therapyResidual NeoplasmResolutionRoentgen RaysRoleSelection for TreatmentsSourceSurgical PathologySurvival RateSystemSystemic TherapyTechniquesTestingTimeTissue SampleTissuesTubeWorkX-Ray Medical Imaginganatomic imagingattenuationbreast cancer diagnosisbreast imagingbreast lesioncancer therapyclinical applicationcohortdata acquisitiondeep learningdesigndetectorefficacy testingfluorodeoxyglucoseimage reconstructionimaging biomarkerimaging capabilitiesimaging modalityimprovedlearning strategymalignant breast neoplasmmolecular imagingmolecular markernext generationnovelprospectivequantitative imagingreconstructionresponsetomosynthesistooltreatment responsetumorultra high resolutionuptake
项目摘要
The long-term objective of this project is to test and refine the use BPET-DBT as a tool for co-registered
molecular and anatomic imaging to direct biopsy and deliver personalized breast cancer treatment to
patients. The integrated BPET-DBT system acquires PET data in the same (mildly) compressed position
immediately after the DBT data acquisition, thereby providing co-registered molecular and anatomical
images while also allowing easy patient workflow. The BPET scanner is a dedicated, high spatial
resolution, time-of-flight (TOF) breast PET scanner producing quantitative images. The DBT image, in
addition to providing superior diagnostic anatomical information, also provides an accurate structural
context to the PET image (necessary for guiding biopsy and/or surgical approach based on the PET
image) and the means to perform accurate attenuation correction (AC) of the PET data. In this project we
will evaluate clinical applications of this novel device using selected cohorts of patients designed to test
efficacy of the combined device for surgical guidance, monitoring response to therapy, tissue sampling,
and further enhancing the quantitative imaging capability of the device both in hardware and software.
Our aims are to: (1) demonstrate imaging capability and utility of this unique device, with two specific
clinical situations as demonstration (tumor characterization and margin definition, and residual tumor
measurement after neo-adjuvant therapy), (2) develop new quantitative image generation techniques
and to evaluate them both retroactively and prospectively in clinical studies, and (3) test DBT-guided
biopsy using the PET portion of the image set co-registered to the DBT image to direct stereotactic
biopsy. The clinical studies in Aims 1 and 3 will: (i) characterize tumor phenotype and determine tumor
margins using 18F-fluoroestradiol (18F-FES) as the biomarker and compare to surgical pathology results
and SUV measurements with WB PET-CT, (ii) measure 18F-fluorodeoxyglucose (18F-FDG) uptake in
small residual tumor prior to surgery in patients undergoing neoadjuvant chemotherapy and compare
BPET-DBT and whole-body PET-CT SUV to histopathology findings post-surgery, and (iii) perform
targeted breast biopsy using co-registered 18F-FES BPET-DBT images. In Aim 2 we will: (i) evaluate the
performance of the existing TOF reconstruction algorithm in mitigating the limited angle artifacts present
in the BPET images, (ii) develop and evaluate new BPET reconstruction and AC methods using image-
based resolution modeling (IRM) methods as well as Deep-Learning (DL) methods for direct PET image
reconstruction and generation of robust DBT images for PET AC, and (iii) develop and test a new high
performance PET detector as an extension to existing BPET detectors for improved images. At the end
of the study we expect to have demonstrated the role a high resolution, BPET-DBT scanner can play in
the future for personalized breast cancer treatment.
该项目的长期目标是测试和完善使用BPET-DBT作为共同注册的工具
分子和解剖成像,指导活检,并提供个性化的乳腺癌治疗,
患者集成BPET-DBT系统在相同(轻度)压缩位置采集PET数据
在DBT数据采集之后立即进行,从而提供共同配准的分子和解剖学特征。
图像,同时还允许轻松的患者工作流程。BPET扫描仪是一种专用的、高空间分辨率的
分辨率、飞行时间(TOF)乳腺PET扫描仪,可生成定量图像。DBT图像,在
除了提供上级诊断解剖信息外,
PET图像的背景(基于PET引导活检和/或手术方法所必需的
图像)和执行PET数据的精确衰减校正(AC)的装置。在这个项目中,我们
将使用选定的患者队列评估这种新型器械的临床应用,
用于手术引导、监测对治疗的反应、组织取样
并在硬件和软件上进一步增强了装置的定量成像能力。
我们的目标是:(1)证明成像能力和这种独特的设备的实用性,有两个具体的
临床情况作为证明(肿瘤表征和边缘定义,以及残留肿瘤
新辅助治疗后的测量),(2)开发新的定量图像生成技术
并在临床研究中对其进行回顾性和前瞻性评价;(3)测试DBT指导的
使用与DBT图像共配准的图像集的PET部分进行活检,以指导立体定向
活检目的1和3中的临床研究将:(i)表征肿瘤表型并确定肿瘤
使用18 F-氟雌二醇(18 F-FES)作为生物标志物的边缘,并与手术病理学结果进行比较
和SUV测量与WB PET-CT,(ii)测量18F-氟脱氧葡萄糖(18F-FDG)摄取,
接受新辅助化疗的患者手术前小残留肿瘤的比较
BPET-DBT和全身PET-CT SUV用于术后组织病理学结果,以及(iii)进行
使用共配准的18 F-FES BPET-DBT图像进行靶向乳腺活检。在目标2中,我们将:(i)评估
现有TOF重建算法在减轻存在的有限角度伪影方面的性能
在BPET图像中,(ii)开发和评估新的BPET重建和AC方法,
直接PET图像的基于分辨率建模(DISPLAY)方法和深度学习(DL)方法
重建和生成用于PET AC的稳健DBT图像,以及(iii)开发和测试一种新的高
高性能PET探测器作为现有BPET探测器的扩展,用于改善图像。年底
我们希望这项研究已经证明了高分辨率的BPET-DBT扫描仪可以在
个性化乳腺癌治疗的未来。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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ANDREW DOUGLAS ARNOLD MAIDMENT其他文献
ANDREW DOUGLAS ARNOLD MAIDMENT的其他文献
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{{ truncateString('ANDREW DOUGLAS ARNOLD MAIDMENT', 18)}}的其他基金
IWDM-2014: The 12th International Workshop on Breast Imaging
IWDM-2014:第十二届国际乳腺影像研讨会
- 批准号:
8785779 - 财政年份:2014
- 资助金额:
$ 69.13万 - 项目类别:
Virtual Clinical Trials: Simulation of Digital Breast Tomosynthesis Screening
虚拟临床试验:数字乳腺断层合成筛查的模拟
- 批准号:
8453455 - 财政年份:2011
- 资助金额:
$ 69.13万 - 项目类别:
Virtual Clinical Trials: Simulation of Digital Breast Tomosynthesis Screening
虚拟临床试验:数字乳腺断层合成筛查的模拟
- 批准号:
8026253 - 财政年份:2011
- 资助金额:
$ 69.13万 - 项目类别:
Virtual Clinical Trials: Simulation of Digital Breast Tomosynthesis Screening
虚拟临床试验:数字乳腺断层合成筛查的模拟
- 批准号:
8263963 - 财政年份:2011
- 资助金额:
$ 69.13万 - 项目类别:
Virtual Clinical Trials: Simulation of Digital Breast Tomosynthesis Screening
虚拟临床试验:数字乳腺断层合成筛查的模拟
- 批准号:
8641667 - 财政年份:2011
- 资助金额:
$ 69.13万 - 项目类别:
Radiologists' performance in digital mammography and breast tomosynthesis
放射科医生在数字乳房X线摄影和乳腺断层合成方面的表现
- 批准号:
7899820 - 财政年份:2009
- 资助金额:
$ 69.13万 - 项目类别:
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