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Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

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Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
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Magnetic Resonance Imaging01:24

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Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
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Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

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Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
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Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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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...
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Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

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Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
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Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

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Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
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Registered Bioimaging of Nanomaterials for Diagnostic and Therapeutic Monitoring
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[医学诊断成像] 医学诊断成像

Terunaga Inage1, Hidemi Suzuki

  • 1Department of General Thoracic Surgery, Chiba University, Chiba, Japan.

Kyobu geka. The Japanese journal of thoracic surgery
|September 25, 2025
PubMed
概括

先进的医学成像,包括3D重建和交叉现实 (XR),有助于手术规划和培训. 新的生物标志物,如心血管周周脂肪衰减指数 (FAI) 来评估CT扫描中的心血管风险.

科学领域:

  • 医疗成像医学成像
  • 手术技术 手术技术
  • 心血管诊断心血管诊断服务

背景情况:

  • 医疗成像已经取得了显著的进步,软件能够实现光现实的3D图像创建.
  • 三维 (3D) 肺部重建和虚拟建模通过可视化瘤和解剖学来增强手术规划.
  • 跨现实 (XR),包括虚拟现实 (VR),增强现实 (AR) 和混合现实 (MR),提供交互式外科培训和指导.

研究的目的:

  • 审查医疗成像技术的进展,用于手术规划和心血管评估.
  • 突出XR技术在胸部外科手术中的作用.
  • 讨论心血管疾病风险分层的新型成像生物标志物.

主要方法:

  • 对3D成像的商业后处理软件 (如Synapse Vinsent,Ziostation) 的审查.
  • 胸部手术中XR应用的描述:解剖评估,培训,规划和指导.
  • 用SPECT-CT进行肺 perfusion scintigraphy进行肺功能预测的解释.
  • 分流储备计算断层扫描 (FFRCT) 对冠状动脉疾病 (CAD) 评估的分析.
  • 引入冠状动脉脂肪衰减指数 (FAI) 来自冠状动脉计算机断层扫描血管学 (CCTA).

主要成果:

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  • 3D重建和XR工具可以改善胸部手术中的可视化和规划.
  • 在肺癌患者中,SPECT-CT有助于预测术后肺功能.
  • 在怀疑CAD时,FFRCT减少了侵入性血管造影的需要.
  • 来自CCTA的周冠状动脉FAI表明血管炎症和心脏事件风险.

    • 结论:

    • 先进的3D成像和XR技术正在改变外科手术规划和培训.
    • 像FFRCT和SPECT-CT这样的非侵入性成像技术可以改善患者的评估.
    • 新型生物标志物,如心血管周周FAI提供了对心血管疾病风险的新见解.