Diagnostic Value of High-Resolution Ultrasound for the Evaluation of Capsular Width in Temporomandibular Joint Effusion

Aim: The aim of this study was to evaluate if the increased temporomandibular joint (TMJ) capsular thickness, measured by ultrasound (US), is associated with the presence of effusion, diagnosed using MRI imaging. Materials and Methods: 102 patients with signs and symptoms of temporomandibular disord...

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Published inLife (Basel, Switzerland) Vol. 12; no. 4; p. 477
Main Authors Talmaceanu, Daniel, Lenghel, Lavinia Manuela, Csutak, Csaba, Bolog, Nicolae, Leucuta, Daniel-Corneliu, Rotar, Horatiu, Tig, Ioan, Buduru, Smaranda
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 25.03.2022
MDPI
Subjects
Arthritis
Effusion
Evaluation
Inflammation
Magnetic resonance imaging
Patients
Sensitivity
Signs and symptoms
Statistical analysis
Temporomandibular joint
Temporomandibular joint disorders
Thickness measurement
Ultrasonic imaging
ultrasonography
Ultrasound
effusion
magnetic resonance imaging
temporomandibular joint
ultrasonography
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Summary:Aim: The aim of this study was to evaluate if the increased temporomandibular joint (TMJ) capsular thickness, measured by ultrasound (US), is associated with the presence of effusion, diagnosed using MRI imaging. Materials and Methods: 102 patients with signs and symptoms of temporomandibular disorders were included in the study. Each patient underwent US and MRI examinations, 1 to 5 days following clinical examination. The US was performed with an 8−40 MHz linear transducer operating at 20 MHz. The MRI was performed using a 1.5 T MRI device. The ROC curve was analyzed to identify the optimal cut-off value for capsular distention, which can be interpreted as an indirect sign of TMJ effusion. Results: The capsular width values were found to be between 0.7 and 3.6 mm. The best cut-off value was 2.05 mm with a sensitivity of 55.9% and a specificity of 94.7%. The next optimal cut-off value was 1.75 mm with a sensitivity of 67.6% and a specificity of 82.4%. The area under the ROC curve was 0.78 (95% CI 0.68, 0.87, p < 0.05). Conclusions: Ultrasound-measured capsular width can be interpreted as an indirect sign of TMJ effusion. The critical cut-off for capsular width was 2 mm.
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ISSN:2075-1729
2075-1729
DOI:10.3390/life12040477