Acceleration of uterine 3D T2-weighted imaging by compressed SENSE-a multicentre study.

IF 1.8 4区医学 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

British Journal of Radiology Pub Date : 2024-09-01 DOI:10.1093/bjr/tqae113

Qingling Song, Changjun Ma, Shifeng Tian, Xing Meng, Lihua Chen, Nan Wang, Qingwei Song, Shan Lu, Dengping Liu, Haiyan Gui, Honghao Chen, Liangjie Lin, Xiaofang Xu, Jiazheng Wang, Ailian Liu

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引用次数: 0

Abstract

Objectives: To find the optimal acceleration factor (AF) of the compressed SENSE (CS) technique for uterine isotropic high-resolution 3D T2-weighted imaging (3D-ISO-T2WI).

Methods: A total of 91 female volunteers from the First Affiliated Hospital of Dalian Medical University, Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, and The Fourth Hospital of Harbin were recruited. A total of 44 volunteers received uterus sagittal 3D-ISO-T2WI scans on 3.0T MRI device with different CS AFs (including SENSE3, CS3, CS4, CS5, CS6, and CS7), 51 received 3D-ISO-T2WI scans with different degrees of fat suppression (none, light, moderate, and severe), while 4 volunteers received both series of scans. Image quality was subjectively evaluated with a 3-point scoring system. Junction zone signal-to-noise ratio (SNR), contrast-to-noise ratio (CNR), and myometrial SNR were also calculated. Intraclass correlation coefficients were used to analyse the consistency of the measurement results by 2 observers. Analysis of variance test or Friedman rank sum test was used to compare the differences in subjective scores, SNR, and CNR under different AFs/different degrees of fat suppression.

Results: Images by AFs of CS3, CS4, and CS5 had the highest SNR and CNR. Among them, CS5 had the shortest scan time. CS5 also had one of the highest subjective scores. There was no significant difference in SNR and CNR among images acquired with different degrees of fat suppression. Also, images with moderate fat suppression had the highest subjective scores.

Conclusion: The CS5 combined with moderate fat suppression is recommended for routine female pelvic 3D-ISO-T2WI scan.

Advances in knowledge: The CS5 has the highest image quality and has the shortest scan time, which is the best AF. Moderate fat suppression has the highest subjective scores. The CS5 and moderate fat suppression are the best combination for a female pelvic 3D-ISO-T2WI scan.

查看原文本刊更多论文

通过压缩 SENSE 加速子宫三维 T2 加权成像--一项多中心研究。

目的寻找压缩 SENSE（CS）技术用于子宫各向同性高分辨率三维 T2 加权成像（3D-ISO-T2WI）的最佳加速因子（AF）：方法：共招募了 91 名来自 XXX、XXX 和 XXX 的女性志愿者。共有 44 名志愿者在 3.0 T MRI 设备上接受了不同 CS AF（包括 SENSE3、CS3、CS4、CS5、CS6 和 CS7）的子宫矢状面 3D-ISO-T2WI 扫描，51 名志愿者接受了不同脂肪抑制程度（无、轻度、中度和重度）的 3D-ISO-T2WI 扫描，4 名志愿者同时接受了两个系列的扫描。图像质量采用三点评分法进行主观评估。还计算了交界区信噪比（SNR）和对比度与噪声比（CNR）以及子宫肌层信噪比。类内相关系数（ICC）用于分析两名观察者测量结果的一致性。方差分析或弗里德曼秩和检验用于比较不同自动对焦/不同脂肪抑制程度下主观评分、信噪比和信噪比的差异：CS3、CS4 和 CS5 的自动对焦图像具有最高的信噪比和 CNR。其中，CS5 的扫描时间最短。CS5 的主观评分也是最高的。不同脂肪抑制程度的图像在 SNR 和 CNR 方面没有明显差异。此外，中度脂肪抑制的图像主观评分最高：结论：建议在常规女性盆腔 3D-ISO-T2WI 扫描中使用 CS5 结合中度脂肪抑制：CS5图像质量最高，扫描时间最短，是最佳自动对焦。中度脂肪抑制的主观评分最高。CS5 和适度脂肪抑制是女性盆腔 3D-ISO-T2WI 扫描的最佳组合。

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

British Journal of Radiology 医学-核医学

CiteScore

5.30

自引率

3.80%

发文量

330

审稿时长

2-4 weeks

期刊介绍： BJR is the international research journal of the British Institute of Radiology and is the oldest scientific journal in the field of radiology and related sciences. Dating back to 1896, BJR’s history is radiology’s history, and the journal has featured some landmark papers such as the first description of Computed Tomography "Computerized transverse axial tomography" by Godfrey Hounsfield in 1973. A valuable historical resource, the complete BJR archive has been digitized from 1896. Quick Facts: - 2015 Impact Factor – 1.840 - Receipt to first decision – average of 6 weeks - Acceptance to online publication – average of 3 weeks - ISSN: 0007-1285 - eISSN: 1748-880X Open Access option