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相关概念视频

Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

53
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,...
53
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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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...
57
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

52
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...
52
Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

161
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...
161
Imaging Studies VI: Voiding Cystourethrography and Cystography01:22

Imaging Studies VI: Voiding Cystourethrography and Cystography

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Voiding Cystourethrography (VCUG) and Cystography are specialized radiographic procedures used to examine the structure and function of the bladder and urethra.Voiding Cystourethrography (VCUG)A Voiding Cystourethrogram (VCUG) is a diagnostic imaging procedure that assesses the anatomy and function of the lower urinary tract. It focuses on the bladder, bladder neck, and urethra, helping detect abnormalities such as vesicoureteral reflux (VUR)—the backward or reverse flow of urine into the...
120
Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

Imaging Studies I: Kidney, Ureter, and Bladder Studies

41
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...
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前列腺成像用于复发报告:用户指南

Anup S Shetty1, Tyler J Fraum1, Joseph E Ippolito1

  • 1From the Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S Kingshighway Blvd, Campus Box 8131, St Louis, MO 63110.

Radiographics : a review publication of the Radiological Society of North America, Inc
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PubMed
概括
此摘要是机器生成的。

前列腺成像复发报告 (PI-RR) 系统标准化了治疗后复发前列腺癌的MRI. PI-RR专注于动态对比增强 (DCE) MRI,以检测激进前列腺切除术或放射治疗后的复发.

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科学领域:

  • 放射学 放射学是一门学科.
  • 在瘤学瘤学.
  • 医疗成像医学成像

背景情况:

  • 前列腺成像报告和数据系统 (PI-RADS) 标准化了治疗前前列腺癌成像.
  • 使用MRI对复发性前列腺癌的治疗后评估需要与治疗前成像不同的解释标准.
  • 为了可靠地检测和报告激进前列腺切除术 (RP) 或放射治疗 (RT) 后前列腺癌复发,需要标准化.

研究的目的:

  • 介绍和解释前列腺成像复发报告 (PI-RR) 系统.
  • 为疑似复发性前列腺癌患者的盆腔MRI的执行和解释提供准则.
  • 为了规范报道MRI发现的前列腺癌复发的迹象.

主要方法:

  • PI-RR系统采用了PI-RADS的原理,但强调了不同的成像序列和检测复发的结果.
  • 对复发的关键MRI发现包括对动态对比度增强 (DCE) 图像的焦点早期增强和扩散限制.
  • 该系统采用基于对复发性前列腺癌MRI特征的已知知识的结构化评分方法.

主要成果:

  • PI-RR提供了一个系统的框架来解释治疗后的前列腺MRI.
  • 该系统编码了T2加权,扩散加权和DCE成像的评分元素,这些元素与RP和RT后的复发相关.
  • 有关案例说明了PI-RR在临床实践中的应用.

结论:

  • PI-RR系统提供了一种标准化的方法,用于在MRI上报告怀疑前列腺癌复发的情况.
  • 它旨在提高治疗后的盆腔MRI解释的一致性和准确性.
  • PI-RR是所有经验水平的放射科医生的综合参考书.