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相关概念视频

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

356
This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
356
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

268
DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
268
Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

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Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
505

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Coordinate Mapping of Hyolaryngeal Mechanics in Swallowing
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同步扫描和部分最小平方:通过功能和动态成像相关性可视化吞.

Bradley P Sutton1,2,3, Anthony Bosshardt1,3, Ching-Hsuan Peng4

  • 1Beckman Institute for Advanced Science and Technology, University of Illinois Urbana Champaign.

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概括

更新的SimulScan系统允许同时对吞生物力学和大脑活动进行成像. 这种新的方法可靠地绘制了脑吞相关性,有助于神经疾病研究.

关键词:
动态核磁共振成像 (MRI)功能性核磁共振成像 (MRI) 的使用.功能分析是一种功能分析.吞吞吞吞吞吞吞吞

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科学领域:

  • 神经科学是一个神经科学.
  • 医疗成像医学成像
  • 生物力学 生物力学

背景情况:

  • 吞是一种复杂的神经功能,在各种条件下经常受到损害.
  • 现有的成像方法无法同时捕捉吞生物力学和中枢神经系统活动.
  • 了解吞的神经控制对于诊断和治疗相关疾病至关重要.

研究的目的:

  • 引入一个更新的SimulScan系统,能够同时进行高速动态成像和功能性MRI (fMRI) 采集.
  • 通过使用部分最小平方相关 (PLSC) 来实现吞功能的数据驱动分析.
  • 调查这种综合方法研究吞的可靠性.

主要方法:

  • 更新后的SimulScan系统实现了以每秒23.75的动态MRI和以1.6秒的TR的BOLD fMRI.
  • 五名受试者接受了两次SimulScan和视频光镜检查以进行比较.
  • 使用PLSC分析来关联动态和功能成像组件.

主要成果:

  • 在SimulScan运行中观察到生物机械吞测量的高可靠性.
  • 在SimulScan和视频光学测量之间发现了适度的相关性.
  • 动态和功能成像之间的可靠相关性表明SimulScan能够绘制大脑-耳鼻活动的地图.

结论:

  • 更新的SimulScan与PLSC分析提供了吞的同时生物机械和功能性脑成像.
  • 这种综合系统有助于研究吞的中央控制.
  • 它为研究影响吞功能的神经疾病提供了强大的工具.