Deep learning microscope for slide-free and digital histology
用于无载玻片和数字组织学的深度学习显微镜
基本信息
- 批准号:10503039
- 负责人:
- 金额:$ 68.71万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-07-12 至 2027-03-31
- 项目状态:未结题
- 来源:
- 关键词:AddressAlgorithmsAnatomyAreaArtificial IntelligenceCellular MorphologyClassificationClinicalClinical DataClinical ResearchComputer AssistedComputer-Assisted DiagnosisConsumptionDiagnosisDiagnosticDyesEnsureEquipmentExcisionFluorescenceFormalinFreezingFresh TissueFrozen SectionsGoalsGoldHematoxylin and Eosin Staining MethodHistologyHistopathologyHuman ResourcesImageImage AnalysisImage-Guided SurgeryImprove AccessLateralLearningLearning ModuleLight MicroscopeLightingMalignant NeoplasmsManualsMapsMasksMechanicsMethodsMicroscopeMicroscopyMicrotome - medical deviceMonitorMouth NeoplasmsNormal tissue morphologyNuclearOperative Surgical ProceduresOpticsOralParaffinPathologistPathologyPatient CarePatient-Focused OutcomesPatientsPerformancePlayPopulationPreparationProceduresProcessProtocols documentationRecurrenceResectedResolutionResource-limited settingResourcesRoleRuralSamplingScanningServicesSliceSlideSpecimenSpeedStainsSurfaceSurgeonSurvival RateSystemTechnologyTestingThickThinnessTimeTissue SampleTissue imagingTissuesTrainingUltraviolet RaysVariantalgorithm trainingautomated algorithmbasecancer surgerycancer survivalcellular imagingclinical infrastructurecontrast imagingcryostatdeep learningdesigndigitaldisease diagnosisexperiencefluorescence microscopegraphical user interfacehealth care qualityhistopathological examinationimprovedinnovationinstrumentlearning abilitylearning networklow and middle-income countriesmachine learning algorithmmachine learning frameworkmalignant mouth neoplasmmouth squamous cell carcinomanoveloptical imagingpoint of careprogramsreconstructionresearch clinical testingscalpelsurvival outcometissue processingtooltumorultravioletvirtual
项目摘要
Project summary/abstract:
Anatomic histopathology plays a central role in disease diagnosis and in surgical procedure guidance to ensure
delivery of quality healthcare and treatment. At the time of surgery, for example, tumor margins are ideally
assessed with fast frozen section pathology to help ensure complete tumor resection while sparing normal tissue.
Unfortunately, the time- and labor-intensive slide preparation process requires expensive equipment and
specialized personnel, so it is not widely available in many settings including the rural US; even in settings with
the clinical infrastructure to perform frozen section, only a small fraction of the margin is manually examined. In
resource-limited global settings, a dire shortage of pathologists makes it more challenging to provide routine
diagnostic pathology. Therefore, there is a critical need for affordable tools to support quality histopathology
programs throughout the world. The goal of this proposal is to use recent advances in optical fabrication and
artificial intelligence to develop a new and affordable tool, the deep learning extended depth-of-field (DeepDOF)
platform, to rapidly examine fresh tissue resections without extensive slide preparation, while providing
computer-aided image analysis at the point of care. We will demonstrate and validate its use for tumor margin
assessment in patients with oral squamous cell carcinoma, the sixth most common malignancy worldwide.
In Aim 1, we will develop key modules of the DeepDOF platform for rapid, subcellular imaging of freshly resected
tissue samples. A deep learning network will be developed to design and optimize the DeepDOF microscope to
image highly irregular tissue surfaces (up to 200 µm) at subcellular resolution without mechanical refocusing; we
will combine it with fast vital dyes and deep ultraviolet illumination to achieve high contrast imaging. In Aim 2, we
will carry out a clinical evaluation of DeepDOF to determine its ability to assess oral tumor margin status
immediately following surgery. The clinical workflow of DeepDOF for intraoperative oral tumor margin
assessment will be optimized, and its performance will be evaluated by comparing to gold standard
histopathology. In Aim 3, we will develop a machine learning framework to identify positive margins in and assist
annotation of large-area, cellular-resolution DeepDOF maps of oral surgical specimens. Using clinical data
acquired in Aims 1 and 2, we will train an algorithm to complete segmentation tasks for identifying key diagnostic
features such as nuclear enlargement and abnormal clustering; the results will be further used to annotate and
quantify positive margins at the point of care. Taken together, we will develop a first microscopy platform with
AI-driven optics and algorithms for rapid and slide-free histology of intact tissue samples, and we will provide
important clinical evidence to show the DeepDOF platform can improve patient care during oral cancer surgeries.
Equipped with a computer-aided image analysis, the broader impact of the DeepDOF platform extends to global
settings including low- and middle-income countries that lack access to high quality histopathology services.
项目摘要/摘要:
解剖组织病理学在疾病诊断和外科手术指导中发挥着核心作用,以确保
提供高质量的医疗保健和治疗。例如,在手术时,肿瘤边缘是理想的
用快速冰冻切片病理进行评估,以帮助确保肿瘤完全切除,同时保留正常组织。
不幸的是,耗时和劳力的幻灯片准备过程需要昂贵的设备和
专业人员,因此它在包括美国农村在内的许多环境中并不广泛使用;即使在
对临床基础设施进行冰冻切片,只需人工检查一小部分边缘。在……里面
在资源有限的全球环境下,病理学家的严重短缺使提供常规服务变得更具挑战性
诊断病理学。因此,迫切需要负担得起的工具来支持高质量的组织病理学
世界各地的节目。这项提议的目标是利用光学制造和制造方面的最新进展
人工智能开发了一种新的负担得起的工具,深度学习扩展景深(DeepDOF)
平台,以快速检查新鲜组织切除,而不需要大量的载玻片准备,同时提供
计算机辅助图像分析在护理点。我们将演示并验证其在肿瘤边缘的应用
对口腔鳞状细胞癌患者的评估,口腔鳞状细胞癌是全球第六大常见恶性肿瘤。
在目标1中,我们将开发DeepDOF平台的关键模块,用于对新切除的组织进行快速亚细胞成像
组织样本。将开发深度学习网络来设计和优化深度自由度显微镜,以
以亚细胞分辨率成像高度不规则的组织表面(高达200微米),无需机械重聚焦;我们
将其与快速活性染料和深紫外光照射相结合,实现高对比度成像。在目标2中,我们
将进行DeepDOF的临床评估,以确定其评估口腔肿瘤边缘状况的能力
就在手术后不久。DeepDOF对术中口腔肿瘤切缘的临床应用
将优化评估,并通过与黄金标准进行比较来评估其表现
组织病理学。在目标3中,我们将开发一个机器学习框架,以确定利润率为正,并协助
口腔外科标本的大面积、细胞分辨率深度自由度图的注释。使用临床数据
在AIMS 1和2中获得,我们将训练一个算法来完成识别关键诊断的分割任务
核增大和异常聚集等特征;结果将进一步用于注释和
量化护理时的正利润。综上所述,我们将开发第一个显微镜平台,
人工智能驱动的光学和算法,用于完整组织样本的快速和无载玻片组织学,我们将提供
重要的临床证据表明,DeepDOF平台可以改善口腔癌手术期间的患者护理。
配备了计算机辅助图像分析,DeepDOF平台的更广泛影响扩展到全球
环境包括缺乏获得高质量组织病理学服务的低收入和中等收入国家。
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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Ann M Gillenwater其他文献
Ann M Gillenwater的其他文献
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{{ truncateString('Ann M Gillenwater', 18)}}的其他基金
Deep learning microscope for slide-free and digital histology
用于无载玻片和数字组织学的深度学习显微镜
- 批准号:
10664026 - 财政年份:2022
- 资助金额:
$ 68.71万 - 项目类别:
Mobile Imaging for Oral Cancer Screening Programs in Rural US Settings
美国农村地区口腔癌筛查项目的移动成像
- 批准号:
10396044 - 财政年份:2021
- 资助金额:
$ 68.71万 - 项目类别:
Mobile Imaging for Oral Cancer Screening Programs in Rural US Settings
美国农村地区口腔癌筛查项目的移动成像
- 批准号:
10193591 - 财政年份:2021
- 资助金额:
$ 68.71万 - 项目类别:
Precision Optical Guidance for Oral Biopsy Based on Next-Generation Hallmarks of Cancer
基于下一代癌症标志的口腔活检精密光学引导
- 批准号:
10565685 - 财政年份:2020
- 资助金额:
$ 68.71万 - 项目类别:
Precision Optical Guidance for Oral Biopsy Based on Next-Generation Hallmarks of Cancer
基于下一代癌症标志的口腔活检精密光学引导
- 批准号:
10326402 - 财政年份:2020
- 资助金额:
$ 68.71万 - 项目类别:
(PQC2) Optical Hallmarks of Aggressive Clones Within Oral Field Cancerization
(PQC2) 口腔癌化中侵袭性克隆的光学标志
- 批准号:
9319642 - 财政年份:2014
- 资助金额:
$ 68.71万 - 项目类别:
(PQC2) Optical Hallmarks of Aggressive Clones Within Oral Field Cancerization
(PQC2) 口腔癌化中侵袭性克隆的光学标志
- 批准号:
8912436 - 财政年份:2014
- 资助金额:
$ 68.71万 - 项目类别:
Oral Screening in India using Optical Imaging Technology
印度使用光学成像技术进行口腔筛查
- 批准号:
7290903 - 财政年份:2007
- 资助金额:
$ 68.71万 - 项目类别:
Oral Screening in India using Optical Imaging Technology
印度使用光学成像技术进行口腔筛查
- 批准号:
7463924 - 财政年份:2007
- 资助金额:
$ 68.71万 - 项目类别:
Oral Screening in India using Optical Imaging Technology
印度使用光学成像技术进行口腔筛查
- 批准号:
7615710 - 财政年份:2007
- 资助金额:
$ 68.71万 - 项目类别:
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