相关实验视频

Updated: May 2, 2026

Use of MRI-ultrasound Fusion to Achieve Targeted Prostate Biopsy

Use of MRI-ultrasound Fusion to Achieve Targeted Prostate Biopsy

Published on: April 9, 2019

关于双参数MRI在前列腺癌诊断中的使用的报告:为期两年的单一中心经验

Quadri A Sanni¹, Sadiq Abu¹, Tolulope Ogunfowora¹

¹Urology, South Warwickshire University NHS Foundation Trust, Warwick, GBR.

|October 7, 2025

概括

双参数核磁共振 (bpMRI) 能够有效地检测出临床上显著的前列腺癌,当与PSA密度 (PSAD) 和家族病史相结合时. 这种方法与PI-RADS分数和ISUP分数相符,为传统方法提供了更低成本,更短,更安全的替代方案.

科学领域:

泌尿器科泌尿器科泌尿器科泌尿器科
放射学放射学是一门学科.
在瘤学瘤学.

背景情况:

活检前的MRI扫描是PSA升高的标准,但双参数MRI (bpMRI) 的使用仍在争论中.
这项研究评估了bpMRI与PSA密度 (PSAD) 以及家族史在诊断前列腺癌中的作用.

研究的目的:

在怀疑前列腺癌时分析bpmri的诊断价值.
评估bpMRI发现 (PI-RADS得分),PSAD和组织学结果 (ISUP等级) 之间的相关性.

主要方法:

追溯分析404名患有高PSA的患者,接受MRI和活检.
评估PSAD,PI-RADS得分和ISUP等级之间的相关性.

主要成果:

在PSAD和PI-RADS得分之间发现了显著的正相关性 (r=0.2,p<0.001).
较高的PSAD与PI-RADS 4/5病变的检测增加以及更高的ISUP等级相关 (r=0.2,p<0.001).
PI-RADS分数与ISUP等级有显著的相关性 (r=0.3,p<0.001).

结论:

通过bpMRI检测到的PI-RADS得分与PSAD,ISUP等级和临床显著的前列腺癌检测有显著的相关性.
当与PSAD和家族病史相结合时,bpMRI对前列腺癌诊断非常有价值.
bpMRI为检测显著的前列腺癌提供了一种具有成本效益,时间效率和更安全的替代方案 (不含加多).

关键词:

这是双参数MRI.动态对比增强器动态对比增强器卡多利尼姆 (gadolinium) 是一种电子产品.瘤学在瘤学方面.前列腺癌是前列腺癌.

更多相关视频

Use of Magnetic Resonance Imaging and Biopsy Data to Guide Sampling Procedures for Prostate Cancer Biobanking

Use of Magnetic Resonance Imaging and Biopsy Data to Guide Sampling Procedures for Prostate Cancer Biobanking

Published on: October 10, 2019

A Cognitive Fusion-guided Prostate Biopsy Using Multiparametric Magnetic Resonance Imaging and Transrectal Ultrasound

A Cognitive Fusion-guided Prostate Biopsy Using Multiparametric Magnetic Resonance Imaging and Transrectal Ultrasound

Published on: March 21, 2025

相关概念视频

Magnetic Resonance Imaging

Magnetic Resonance Imaging

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...

Imaging Studies I: CT and MRI

Imaging Studies I: CT and MRI

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...

Imaging Studies for Cardiovascular System IV: CMRI

Imaging Studies for Cardiovascular System IV: CMRI

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,...

Imaging Studies IV: Magnetic Resonance Imaging

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,...