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相关概念视频

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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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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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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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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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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Updated: Jun 11, 2025

Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging
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扩散的单边MRI乳房实体.

Rebecca T Sivarajah1, Trevor R Bean2, Alison L Chetlen1

  • 1Department of Radiology, Penn State Health, Hershey Medical Center, 30 Hope Drive, EC 008, Breast Center, Hershey, PA 17033, United States of America.

Clinical imaging
|September 29, 2024
PubMed
概括
此摘要是机器生成的。

磁共振成像 (MRI) 可以揭示对良性和恶性疾病的扩散单边乳腺发现. 放射科医生必须使用MRI特征和临床病史来区分这些,以准确诊断和管理.

关键词:
乳腺MRI临床应用乳房成像教育和培训的教育和培训.乳腺病理学 乳腺病理学

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科学领域:

  • 放射学 放射学是一门学科.
  • 乳房成像 乳房成像
  • 在瘤学瘤学.

背景情况:

  • 乳腺MRI上的分散单边发现可以来自各种良性和恶性乳腺实体.
  • 这些发现被分为不对称的扩散质量/非质量增强 (NME),扩散皮肤加厚和不对称的背景增强.

研究的目的:

  • 审查常见的良性和恶性乳腺实体,呈现出分散的单边MRI发现.
  • 要突出关键的MRI特征,有助于区分这些条件.

主要方法:

  • 对各种病理的乳房MRI研究结果的文献综述.
  • 分析MRI特征,如形态,分布,T2W信号,增强动力学和相关的皮肤加厚.

主要成果:

  • 恶性实体包括管道癌 in situ,侵入性管道/球状癌,帕杰特病,炎症性和局部晚期乳腺癌.
  • 良性实体包括异常性颗粒性乳腺炎 (IGM),传染性乳腺炎,伪血管状管道增生,巨型纤维腺瘤,辐射变化,母乳养和中央静脉阻塞.

结论:

  • 对放射科医生来说,熟悉单边乳腺发现的多种MRI外观至关重要.
  • 精确解释MRI特征,以及必要时临床相关性和活检,确保正确的诊断和患者管理.