田冲,明星,刘远成,王荣品,曾宪春.无线整合型MR放大器用于颞下颌关节高分辨MR成像[J].中国医学影像技术,2020,36(7):1075~1079
无线整合型MR放大器用于颞下颌关节高分辨MR成像
Wireless amplified nuclear MR detector in high-resolution MR imaging of temporomandibular joint
投稿时间:2019-07-01  修订日期:2020-03-08
DOI:10.13929/j.issn.1003-3289.2020.07.034
中文关键词:  颞下颌关节  质量控制  磁共振成像  无线整合型MR放大器
英文关键词:temporomandibular joint  quality control  magnetic resonance imaging  wireless amplified nuclear MR detector
基金项目:国家自然科学基金培育项目(黔科合平台人才[2017]5724-11)。
作者单位E-mail
田冲 贵州省人民医院影像科, 贵州 贵阳 550002
贵州省智能医学影像分析与精准诊断重点实验室, 贵州 贵阳 550002
精准影像诊疗示范型国际科技合作基地, 贵州 贵阳 550002 
 
明星 贵州省人民医院影像科, 贵州 贵阳 550002
贵州省智能医学影像分析与精准诊断重点实验室, 贵州 贵阳 550002
精准影像诊疗示范型国际科技合作基地, 贵州 贵阳 550002 
 
刘远成 贵州省人民医院影像科, 贵州 贵阳 550002
贵州省智能医学影像分析与精准诊断重点实验室, 贵州 贵阳 550002
精准影像诊疗示范型国际科技合作基地, 贵州 贵阳 550002 
 
王荣品 贵州省人民医院影像科, 贵州 贵阳 550002
贵州省智能医学影像分析与精准诊断重点实验室, 贵州 贵阳 550002
精准影像诊疗示范型国际科技合作基地, 贵州 贵阳 550002 
 
曾宪春 贵州省人民医院影像科, 贵州 贵阳 550002
贵州省智能医学影像分析与精准诊断重点实验室, 贵州 贵阳 550002
精准影像诊疗示范型国际科技合作基地, 贵州 贵阳 550002 
zengxianchun04@foxmail.com 
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中文摘要:
      目的 观察以无线整合型MR放大器(WAND)耦合头颈联合线圈行颞下颌关节(TMJ)高分辨成像的价值。方法 采用头颈联合线圈、WAND耦合头颈联合线圈分别对16名健康青年人行双侧TMJ扫描。观察2组图像TMJ关节盘前带、中间带、后带、前附着、后附着及双板区、关节腔及髁突骨质,对图像质量进行主观评分,评估图像信噪比(SNR)和对比噪声比(CNR),并进行组间比较。结果 共纳入15名受试者。相比单纯头颈联合线圈,WAND耦合头颈联合线圈显示TMJ关节盘前带、中间带、后带、前附着、后附着及双板区、关节腔及髁突骨质更佳(P均<0.05),图像中TMJ关节盘及盘后组织的CNR、SNR显著升高(P均<0.05)。结论 采用WAND耦合头颈联合线圈可提高MRI显示TMJ质量。
英文摘要:
      Objective To observe the application value of wireless amplified nuclear MR detector (WAND) in high-resolution MR imaging of temporomandibular joint (TMJ). Methods Totally 16 healthy youths underwent bilateral TMJ MR scanning using head-neck combined coil and WAND coupled head-neck combined coil respectively. The anterior band, intermediate band, posterior band, anterior attachment, posterior attachment and double plate area, articular cavity, condylar bone of TMJ on the images obtained with 2 methods were observed and subjectively evaluated. The image quality of the articular disc, whose signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) were evaluated for objective evaluation. The subjective scoring and objective evaluation were compared between 2 groups. Results A total of 15 subjects were included. Compared with images obtained with head-neck combined coil, images obtained with WAND coupled head-neck combined coil had obvious advantages in displaying the disc of anterior, middle and posterior, anterior attachment, posterior attachment, double-plate area and joint cavity and condyle bone of TMJ (all P<0.05), also had significantly higher CNR and SNR of the articular disc and posterior tissue of TMJ (both P<0.05). Conclusion WAND coupled head-neck combined coil can improve MR image quality of TMJ.
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