根据前列腺成像质量（PI-QUAL）的双参数MRI诊断性能版本2：多机构数据分析

IF 3.2 3区医学 Q1 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

European Journal of Radiology Pub Date : 2025-05-28 DOI:10.1016/j.ejrad.2025.112209

Jeong In Shin, Kye Jin Park, Mi Yeon Park, Mi-Hyun Kim, Sung Bin Park, Jeong Kon Kim

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引用次数: 0

摘要

目的评价图像质量对双参数磁共振成像（bpMRI）检测临床显著性前列腺癌（csPCa）诊断性能的影响。患者和方法本回顾性研究包括在2020年1月至2021年11月期间在外部成像设施接受bpMRI检查并转介到我们三级中心的患者。bpMRI的图像质量由两名放射科医生一致评估，使用前列腺成像质量评分第2版（PI-QUAL v2）。提取T2WI和DWI的技术参数，并评估其与成像质量标准的相关性。根据PI-QUAL v2评分比较检测csPCa的敏感性、特异性和阳性预测值和阴性预测值。结果在112名在69个不同的成像设施接受bpMRI的男性中，47例（42.0%）mri被认为不适用PI-QUAL v2评分。在其余的mri中，分别有30例（26.8%）、17例（15.2%）和18例（16.1%）的PI-QUAL v2评分为1、2和3。PI-QUAL v2评分≤1的mri灵敏度（74.3%）明显低于评分为2或3的mri (100.0%；p = 0.045)。T2WI平面内分辨率和DWI b值个数与图像质量评价有显著相关性（P = 0.037和0.028）。结论采用PI-QUAL v2评分系统评价bpMRI对csPCa的诊断准确性受图像质量的影响。应强调T2WI有足够的平面内分辨率，DWI至少使用三个b值，以获得最佳图像质量和诊断性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Diagnostic performance of biparametric MRI according to prostate imaging quality (PI-QUAL) version 2: Analysis of Multi-Institutional Data

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Diagnostic performance of biparametric MRI according to prostate imaging quality (PI-QUAL) version 2: Analysis of Multi-Institutional Data

Purpose

To evaluate the impact of image quality on the diagnostic performance of biparametric MRI (bpMRI) for detecting clinically significant prostate cancer (csPCa).

Patients and Methods

This retrospective study included patients who underwent bpMRI at outside imaging facilities and were referred to our tertiary centre between January 2020 and November 2021. The image quality of bpMRI was assessed by two radiologists in consensus using Prostate Imaging Quality Score version 2 (PI-QUAL v2). Technical parameters of T2WI and DWI were extracted, and their associations with imaging quality criteria were evaluated. Sensitivity, specificity, and positive and negative predictive values for detecting csPCa were compared according to PI-QUAL v2 scores.

Results

Among 112 men who underwent bpMRI at 69 different imaging facilities, 47 (42.0 %) MRIs were considered not applicable for PI-QUAL v2 scoring. Of the remaining MRIs, 30 (26.8 %), 17 (15.2 %), and and 18 (16.1 %) were assigned PI-QUAL v2 scores of 1, 2, and 3, respectively. MRIs with PI-QUAL v2 scores ≤ 1 demonstrated significantly lower sensitivity (74.3 %) than those with scores of 2 or 3 (100.0 %; P = 0.045). In-plane resolution on T2WI and the number of b values on DWI were significantly associated with image quality assessment (P = 0.037 and 0.028).

Conclusions

The diagnostic accuracy of bpMRI for detecting csPCa is influenced by image quality, as assessed by the PI-QUAL v2 scoring system. Adequate in-plane resolution on T2WI and the use of at least three b values on DWI should be emphasised to achieve optimal image quality and diagnostic performance.

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来源期刊

European Journal of Radiology 医学-核医学

CiteScore

6.70

自引率

3.00%

发文量

398

审稿时长

42 days

期刊介绍： European Journal of Radiology is an international journal which aims to communicate to its readers, state-of-the-art information on imaging developments in the form of high quality original research articles and timely reviews on current developments in the field. Its audience includes clinicians at all levels of training including radiology trainees, newly qualified imaging specialists and the experienced radiologist. Its aim is to inform efficient, appropriate and evidence-based imaging practice to the benefit of patients worldwide.