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相关概念视频

Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

29
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 V: Intravenous Urography and Retrograde Pyelography01:22

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

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IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...
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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...
5.2K
Urodynamic Studies: Uroflowmetry01:19

Urodynamic Studies: Uroflowmetry

87
Uroflowmetry is a non-invasive urodynamic test designed to measure various aspects of urination, including volume, flow rate, and the time to void. This test is crucial for diagnosing and assessing conditions such as bladder outlet obstruction, bladder dysfunction, incomplete bladder emptying, incontinence, and urinary tract blockages caused by benign prostatic hyperplasia (BPH) and urethral strictures.Pre-Test Instructions:Before a uroflowmetry test, patients are typically advised to drink...
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Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

Imaging Studies I: Kidney, Ureter, and Bladder Studies

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Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...
25
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

29
IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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相关实验视频

Updated: Jul 22, 2025

Making MR Imaging Child's Play - Pediatric Neuroimaging Protocol, Guidelines and Procedure
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儿童的功能性MR泌尿学 - 2023年更新

Hanne Kirsch1, Paul-Christian Krüger1, Ulrike John-Kroegel2

  • 1Section of Pediatric Radiology, Jena University Hospital Department of Diagnostic and Interventional Radiology, Jena, Germany.

RoFo : Fortschritte auf dem Gebiete der Rontgenstrahlen und der Nuklearmedizin
|July 21, 2023
PubMed
概括

功能性MR泌尿学 (fMRU) 提供了一种无辐射的方法来评估儿科功能,与MAG3光谱相似. 它擅长评估需要手术的复杂尿路异常.

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相关实验视频

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Making MR Imaging Child's Play - Pediatric Neuroimaging Protocol, Guidelines and Procedure
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Making MR Imaging Child's Play - Pediatric Neuroimaging Protocol, Guidelines and Procedure

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Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing
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Author Spotlight: Developing a Bedside Protocol for Kidney and Genitourinary Ultrasonography
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科学领域:

  • 儿科放射学 儿科放射学
  • 医学成像技术 医学成像技术
  • 评估功能评估 功能评估

背景情况:

  • 功能性MR泌尿学 (fMRU) 是一种创新的,无辐射成像技术,用于儿童功能评估.
  • 在SWOT分析中,fMRU与99mTc-Mercapto-acetyltriglycerine (MAG3) 剪影相比更为重要.

研究的目的:

  • 评估fMRU的当前研究状况.
  • 为了比较fMRU与MAG3光学扫描用于儿科功能评估.

主要方法:

  • 在PubMed.com进行了选择性的文献搜索.
  • 该研究介绍了fMRU检查技术,准备和评估方法.

主要成果:

  • fMRU提供了对脏和尿道的可靠形态和功能评估.
  • fMRU的结果与MAG3光谱相似.
  • fMRU对于复杂的脏和尿路异常 (CAKUT) 特别有效,需要进行手术纠正.

结论:

  • fMRU已被确立为形态和功能诊断的诊断方法,与MAG3光谱相竞争.
  • 复杂的实施和评估限制了fMRU作为完全的MAG3替代品的广泛采用.
  • fMRU只适用于特定的适应症,特别是那些具有外科手术后果的病例.