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首页> 外文期刊>Journal of computer assisted tomography >Magnetic resonance evidence of joint fluid with temporomandibular joint disorders.
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Magnetic resonance evidence of joint fluid with temporomandibular joint disorders.

机译：颞下颌关节疾病的关节液的磁共振证据。

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OBJECTIVES: The relationship between temporomandibular joint (TMJ) effusion and TMJ disorders is controversial. The frequency of TMJ effusion has varied as shown in previous studies. Furthermore, though some authors have suggested a correlation between TMJ effusion and pain, others question the relationship. In order to clarify the relationship, it is necessary to quantify the degree of effusion and thoroughly investigate its relationship to other factors. The purpose of this study was to analyze the amount of TMJ fluid present in joints with TMJ disorders and to see how TMJ effusion is related to TMJ status and pain. METHODS: We studied 577 joints in 293 patients referred to us for magnetic resonance imaging. The joints were divided into painful and nonpainful categories and also classified according to Westesson's criteria for the status of the TMJ. The grading system of Larheim et al was used for categorizing the amount of fluid. Statistical methods were used for analyzing the relationship between TMJ fluid and TMJ status and pain. RESULTS: TMJs with disk displacement without reduction showed the largest amount of fluid while TMJs with normal superior disk position showed the least fluid (Kruskal-Wallis test, P<0.001; Scheffe test, P<0.001). There was a significant difference in the amount of the fluid between painful and nonpainful joints in the group of disk displacement without reduction (Wilcoxon rank sum test, P<0.001). No significant differences were found between other groups. CONCLUSIONS: Joint effusion is likely to appear in painful TMJs with disk displacement without reduction. Joint effusion may be an abnormal entity just suited to joints with disk displacement without reduction.
机译：目的：颞下颌关节（TMJ）积液与TMJ疾病之间的关系存在争议。如先前的研究所示，TMJ积液的频率有所不同。此外，尽管一些作者提出了TMJ积液与疼痛之间的相关性，但其他人则质疑这种关系。为了弄清这种关系，有必要量化积液的程度并彻底研究其与其他因素的关系。这项研究的目的是分析存在TMJ障碍的关节中存在的TMJ液体量，并了解TMJ积液与TMJ状况和疼痛之间的关系。方法：我们研究了293位转诊给我们的磁共振成像患者中的577个关节。将关节​​分为疼痛和非疼痛类别，并根据Westesson的TMJ状况标准进行分类。 Larheim等人的分级系统用于对流体量进行分类。使用统计方法分析TMJ液与TMJ状态和疼痛之间的关系。结果：不减少椎间盘移位的TMJs的液体量最大，而正常上椎弓位置的TMJ的液体量最少（Kruskal-Wallis检验，P <0.001; Scheffe检验，P <0.001）。在不复位的情况下，椎间盘移位组中疼痛和非疼痛关节之间的液体量有显着差异（Wilcoxon秩和检验，P <0.001）。其他组之间没有发现显着差异。结论：伴有椎间盘移位而没有减少的疼痛性TMJ中可能出现关节积液。关节积液可能是异常的实体，仅适合于椎间盘移位而无复位的关节。

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