Real-time automated quality control for quantitative MRI.

IF 2 4区医学 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Magnetic Resonance Materials in Physics, Biology and Medicine Pub Date : 2024-10-03 DOI:10.1007/s10334-024-01205-3

Andrew Dupuis, Rasim Boyacioglu, Kathryn E Keenan, Mark A Griswold

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引用次数: 0

Abstract

Objective: This work presents an automated quality control (QC) system within quantitative MRI (qMRI) workflows. By leveraging the ISMRM/NIST quantitative MRI system phantom, we establish an open-source pipeline for rapid, repeatable, and accurate validation and stability tracking of sequence quantification performance across diverse clinical settings.

Materials and methods: A microservice-based QC system for automated vial segmentation from quantitative maps was developed and tested across various MRF acquisition and protocol designs, with reports generated and returned to the scanner in real time.

Results: The system demonstrated consistent and repeatable value segmentation and reporting, successfully extracted all 252 T1 and T2 vial samples tested. Values extracted from the same sequence were found to be repeatable with 0.09% ± 1.23% and - 0.26% ± 2.68% intersession error, respectively.

Discussion: By providing real-time quantification performance assessment, this easily deployable automated QC approach streamlines sequence validation and long-term performance monitoring, vital for the broader acceptance of qMRI as a standard component of clinical protocols.

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定量核磁共振成像的实时自动质量控制。

目的：本研究介绍了定量磁共振成像（qMRI）工作流程中的自动质量控制（QC）系统。通过利用 ISMRM/NIST 定量 MRI 系统模型，我们建立了一个开源管道，用于在不同临床环境中快速、可重复、准确地验证和跟踪序列量化性能的稳定性：我们开发了一个基于微型服务的质控系统，用于从定量图自动分割血瓶，并在各种 MRF 采集和方案设计中进行了测试，实时生成报告并返回扫描仪：结果：该系统展示了一致且可重复的数值分割和报告，成功提取了所有 252 个测试的 T1 和 T2 血瓶样本。从同一序列中提取的数值具有可重复性，其间误差分别为 0.09% ± 1.23% 和 - 0.26% ± 2.68%：通过提供实时量化性能评估，这种易于部署的自动质控方法简化了序列验证和长期性能监测，对于更广泛地接受 qMRI 作为临床方案的标准组成部分至关重要。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Magnetic Resonance Materials in Physics, Biology and Medicine 医学-核医学

CiteScore

4.60

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： MAGMA is a multidisciplinary international journal devoted to the publication of articles on all aspects of magnetic resonance techniques and their applications in medicine and biology. MAGMA currently publishes research papers, reviews, letters to the editor, and commentaries, six times a year. The subject areas covered by MAGMA include: advances in materials, hardware and software in magnetic resonance technology, new developments and results in research and practical applications of magnetic resonance imaging and spectroscopy related to biology and medicine, study of animal models and intact cells using magnetic resonance, reports of clinical trials on humans and clinical validation of magnetic resonance protocols.