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Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

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...
Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

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...
Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

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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Updated: May 16, 2026

Use of MRI-ultrasound Fusion to Achieve Targeted Prostate Biopsy
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前列腺癌的MRI局部分期: 专家小组叙述审查

Jorge Abreu-Gomez1, Steven C Eberhardt2, Brian F Chapin3

  • 1Assistant Professor, Department of Medical Imaging, University of Toronto. University Medical Imaging Toronto. University Health Network, Mount Sinai Hospital and Women's College Hospital. 610 University Avenue, Suite 3-920. Toronto, ON M5G 2M9, Canada.

AJR. American journal of roentgenology
|December 10, 2025
PubMed
概括
此摘要是机器生成的。

多参数核磁共振 (mpMRI) 有助于前列腺癌的分期和管理,但缺乏标准化的框架. 需要进一步的研究来验证mpMRI.

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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:

  • 多参数MRI (mpMRI) 对前列腺癌的分期和管理越来越重要.
  • 目前的文献支持mpMRI在癌症检测和指导治疗决策中的作用.
  • 然而,没有普遍接受的mpMRI分期框架.

研究的目的:

  • 审查目前关于前列腺癌局部分期mpMRI的证据.
  • 要突出MRI特征,区分器官局限性疾病和晚期疾病 (EPE,精液囊泡入侵).
  • 探索结构化报告框架,并解决mpMRI分期的挑战.

主要方法:

  • 关于前列腺癌分期的mpMRI现有文献的叙事综述.
  • 对MRI特征的证据综合用于局部分期.
  • 探索提议的前列腺外延伸 (EPE) 报告框架.

主要成果:

  • mpMRI有助于识别局部分期的关键特征,包括EPE和精液囊泡入侵.
  • 已经提出了EPE报告的结构化框架,仅使用MRI或使用临床数据.
  • 可复制性的变化和缺乏标准化是众所周知的挑战.

结论:

  • 标准化mpMRI报告和融入国际准则至关重要.
  • 需要进行前性研究来验证临床实践中的mpMRI分期.
  • 未来的进展可能涉及放射学,人工智能和分子成像,用于增强前列腺癌分期.