Reconstructed magnetic resonance image‐based effusion volume assessment for temporomandibular joint arthralgia

Author:

Xu Jiali1,Wang Dongmei1,Yang Chunhua2,Wang Fangfang2,Wang Meiqing13ORCID

Affiliation:

1. Department of stomatology The Third Affiliated Hospital of Xinxiang Medical University Xinxiang China

2. Department of Magnetic Resonance The Third Affiliated Hospital of Xinxiang Medical University Xinxiang China

3. Department of TMD, Shanghai Stomatological Disease Centre Fudan University Shanghai China

Abstract

AbstractBackgroundJoint effusion is often noticed in magnetic resonance image (MRI) and its diagnostic value for arthralgia of the temporomandibular joint (TMJ) remains obscure.ObjectiveTo develop a method for quantitatively evaluating the joint effusion revealed in MRI and its diagnostic value for arthralgia of the TMJ.MethodsTwo‐hundreds and twenty‐eight TMJs, 101 with arthralgia (Group P) and 105 without (Group NP) from 103 patients, and 22 TMJs (Group CON) from 11 asymptomatic volunteers were examined by using MRI. The effusion volume was measured after constructing a three‐dimensional structure of the joint effusion revealed in MRI by using the ITK‐SNAP software. The diagnostic capabilities of the effusion volume on arthralgia were evaluated with receiver operating characteristic (ROC) curve analysis.ResultsTotally 146 joints showed MRI signs of joint effusion, including nine joints from Group CON. However, the medium volume was greater in Group P (66.65 mm3), but was much similar in Group CON (18.33 mm3) to Group NP (27.12 mm3). The effusion volume larger than 38.20 mm3 was validated to discriminate Group P from Group NP. The AUC value was 0.801 (95% CI 0.728 to 0.874), with a sensitivity of 75% and specificity of 78.9%. The median volume of the joint effusion was larger in those with than without bone marrow oedema, osteoarthritis, Type‐III disc configurations, disc displacement and higher signal intensity of the retrodiscal tissue (all, p < .05).ConclusionThe present method for evaluate joint effusion volume well discriminated painful TMJs from non‐pain ones.

Funder

National Natural Science Foundation of China

Publisher

Wiley

Subject

General Dentistry

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