颞下颌关节盘前移位患者髁突与脑皮质磁共振信号强度比较

doi:10.19438/j.cjoms.2021.01.007

中国口腔颌面外科杂志 ›› 2021, Vol. 19 ›› Issue (1): 36-39.doi: 10.19438/j.cjoms.2021.01.007

颞下颌关节盘前移位患者髁突与脑皮质磁共振信号强度比较

万绍楠¹, 殷治国^2,*, 谢千阳^1,*, 刘芷扬¹, 董敏俊¹, 孙琦¹, 杨驰¹

1.上海交通大学医学院附属第九人民医院·口腔医学院口腔外科,国家口腔疾病临床医学研究中心, 上海市口腔医学重点实验室,上海市口腔医学研究所,上海 200011;
2.无锡市人民医院口腔科,江苏无锡 214023

收稿日期:2020-08-03 修回日期:2020-12-02 出版日期:2021-01-20 发布日期:2021-02-19
通讯作者: 殷治国,E-mail：dentistyin@iCloud.com;谢千阳,E-mail：xieqianyang86@126.com。^*共同通信作者
作者简介:万绍楠(1992-),男,住院医师,硕士研究生,E-mail：wanshaonan1@126.com

The difference of MRI signal intensity between condyle and brain parenchyma in cases of temporomandibular joint disc displacement

WAN Shao-nan¹, YIN Zhi-guo², XIE Qian-yang¹, LIU Zhi-yang¹, DONG Min-jun¹, SUN Qi¹, YANG Chi¹

1. Department of Oral Surgery, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology. Shanghai 200011;
2. Department of Dentistry, Wuxi People's Hospital. Wuxi 214023, Jiangsu Province, China

Received:2020-08-03 Revised:2020-12-02 Online:2021-01-20 Published:2021-02-19

摘要/Abstract

摘要： 目的: 通过比较正常颞下颌关节结构和盘前移位伴髁突吸收患者的磁共振影像中髁突与脑实质信号密度比值(MSI1/MSI2)的差异,探索髁突吸收的磁共振定量测量方法。方法: 收集2018年7月—2019年7月间于上海交通大学医学院附属第九人民医院行颞下颌关节磁共振检查的22~25岁女性患者资料,分为正常关节和髁突吸收2组,每组10例（20侧关节）。由2名测量者分别独立完成2组病例共40侧关节的测量,比较2名测量者之间的一致性,比较2组患者MSI1/MSI2的差异。采用SPSS 23.0软件包进行统计学处理。结果: 2名测量者所记录的测量值具有高度一致性,2组患者的髁突与脑实质信号密度比值间存在显著差异（P<0.05）,正常关节组MSI1/MSI2平均值为1.07,髁突吸收组MSI1/MSI2平均值为0.78。结论: 通过采用标准化TMJ MRI拍摄流程,MSI1/MSI2有望成为评价髁突病变严重程度的客观指标。

关键词: 颞下颌关节, 关节盘前移位, 磁共振信号密度, 髁突吸收

Abstract: PURPOSE: To compare the difference of signal density ratio between condyle and brain parenchyma in normal temporomandibular joint (TMJ) structure and patients with anterior disc displacement and condylar absorption, and to explore the quantitative measurement method of condylar absorption. METHODS: From July 2018 to July 2019, 22-25 year-old women who underwent MRI examination of TMJ were collected and divided into two groups: normal joint group and condylar absorption group. A total of 40 joints in the 2 groups were measured independently by 2 investigators, and the consistency between the 2 measurers was compared. The differences of MSI1/MSI2 between the 2 groups were compared. SPSS 23.0 software package was used for statistical analysis. RESULTS: There was a high degree of consistency from the 2 investigators. At the same time, there was significant difference between the 2 groups in the ratio of condylar signal density to brain parenchyma. The mean value of MSI1/MSI2 was 1.07 in normal joint group, and 0.78 in condylar resorption group(P<0.05). CONCLUSIONS: MSI1/MSI2 may be an objective index to evaluate the severity of condylar lesions by using standardized TMJ MRI shooting process.

Key words: Temporomandibular joint, Anterior disc displacement, Magnetic signal intensity, Condylar resorption

中图分类号:

R782.6

万绍楠, 殷治国, 谢千阳, 刘芷扬, 董敏俊, 孙琦, 杨驰. 颞下颌关节盘前移位患者髁突与脑皮质磁共振信号强度比较[J]. 中国口腔颌面外科杂志, 2021, 19(1): 36-39.

WAN Shao-nan, YIN Zhi-guo, XIE Qian-yang, LIU Zhi-yang, DONG Min-jun, SUN Qi, YANG Chi. The difference of MRI signal intensity between condyle and brain parenchyma in cases of temporomandibular joint disc displacement[J]. China J Oral Maxillofac Surg, 2021, 19(1): 36-39.

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颞下颌关节盘前移位患者髁突与脑皮质磁共振信号强度比较

The difference of MRI signal intensity between condyle and brain parenchyma in cases of temporomandibular joint disc displacement

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