Ultrasound versus magnetic resonance imaging of the temporomandibular joint in juvenile idiopathic arthritis: a systematic review

Publication date: Available online 10 August 2017
Source:International Journal of Oral and Maxillofacial Surgery
Author(s): B.L. Hechler, J.A. Phero, H. Van Mater, N.S. Matthews
A systematic review of published articles on ultrasound (US) and magnetic resonance imaging (MRI) of the temporomandibular joint (TMJ) in juvenile idiopathic arthritis (JIA) was performed to answer the question "What is the sensitivity and specificity of US as compared to MRI in diagnosing acute and chronic joint changes in patients with JIA?" The most recent evidence was sought in published articles via a search of the PubMed, Ovid, and Embase databases. Article appraisal was performed by two reviewers. Nineteen articles reporting prospective or ambispective studies comparing US to MRI in TMJ imaging were found. Six of these articles were specific to JIA patients. The heterogeneity of these articles made comparison difficult. Of the acute and chronic changes assessed (disk displacement, joint effusion, bony deformity), only joint effusion was appropriately assessed by multiple authors, with US having a sensitivity of 0–72% and specificity of 70–83% as compared to MRI. There was a paucity of studies specific to JIA, with many studying adult, non-rheumatic patients. This systematic review found that dynamic imaging with high-resolution US improves sensitivity and specificity compared to static, low-resolution US. Additionally, there is evidence to suggest that US imaging following a baseline MRI can increase US sensitivity and specificity and may have a future role in disease surveillance.



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