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相关概念视频

Assessment of Diffusion and Perfusion01:17

Assessment of Diffusion and Perfusion

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Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
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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...
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Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

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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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Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

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Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
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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 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:
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相关实验视频

Updated: Jul 25, 2025

Diffusion Imaging in the Rat Cervical Spinal Cord
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在脊柱瘤中进行扩散权重成像.

Sema Yildiz1, Michael Schecht1, Amit Aggarwal1

  • 1Division of Neuroradiology, Department of Radiology, Icahn School of Medicine at Mount Sinai Hospital, 1468 Madison Avenue MC Level, New York, NY 10029, USA.

Neuroimaging clinics of North America
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概括

扩散加权成像 (DWI) 和扩散张力成像 (DTI) 是评估脊柱瘤,包括脊椎和骨髓内病变的宝贵工具. 这些先进的MRI技术提高了诊断准确度,并有助于为脊髓瘤进行手术规划.

关键词:
这是一个ADCADC ADC.扩散张力成像的成像方法扩散加权成像技术的使用.这是FAFAFAFAFA.脊髓内的脊髓瘤是什么?恶性骨折是恶性骨折的一种.多发性骨髓瘤是一种多发性骨髓瘤.

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相关实验视频

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科学领域:

  • 放射学 放射学是一门学科.
  • 神经成像是一种神经成像.
  • 在瘤学瘤学.

背景情况:

  • 扩散加权成像 (DWI) 越来越多地用于脊柱瘤评估.
  • 磁共振成像 (MRI) 的进步提高了脊柱DWI和扩散张力成像 (DTI) 的质量,可重现性和利用性.
  • 脊柱瘤,包括脊髓病变和骨髓内瘤,受益于先进的成像技术.

研究的目的:

  • 突出DWI和DTI在评估脊柱瘤中的作用.
  • 强调DTI在脊髓瘤手术规划中的价值.
  • 为了强调这些MRI技术提供的诊断增强.

主要方法:

  • 使用扩散加权成像 (DWI) 来评估脊柱瘤.
  • 使用扩散张力成像 (DTI) 具有定量参数 (例如,分数异构) 和神经纤维通道的定性评估.
  • 利用先进的磁共振技术来提高图像质量.

主要成果:

  • DWI是有效的评估脊髓病变和骨髓内瘤.
  • DTI为脊髓瘤评估提供了有价值的定量和定性数据.
  • 改进的MRI技术使得脊柱DWI和DTI的复制性和利用性增加.

结论:

  • DWI和DTI是对脊柱瘤的诊断评估的强大工具.
  • 在脊髓瘤的手术规划中,DTI发挥着重要作用.
  • 这些广泛使用的MRI技术提高了对脊髓瘤的全面评估.