• Bong-Hoi Choi, Seok-Ho Yoon, Seung-Il Song, Joon-Kee Yoon, Su Jin Lee, and Young-Sil An.
• From the Department of Nuclear Medicine and Molecular Imaging, Gyeongsang National University Hospital, Jinju; Department of Nuclear Medicine and Molecular Imaging, Asan Medical Center, University of Ulsan College of Medicine, Seoul; Division of Oral and Maxillofacial Surgery, Department of Dentistry; and Department of Nuclear Medicine and Molecular Imaging, Ajou University School of Medicine, Suwon, Korea.
• Medicine (Baltimore). 2016 Jan 1; 95 (2): e2485.

AbstractThis retrospective clinical study was performed to evaluate whether a visual or quantitative method is more valuable for assessing painful temporomandibular disorder (TMD) using bone scintigraphy results.In total, 230 patients (172 women and 58 men) with TMD were enrolled. All patients were questioned about their temporomandibular joint (TMJ) pain. Bone scintigraphic data were acquired in all patients, and images were analyzed by visual and quantitative methods using the TMJ-to-skull uptake ratio. The diagnostic performances of both bone scintigraphic assessment methods for painful TMD were compared.In total, 241 of 460 TMJs (52.4%) were finally diagnosed with painful TMD. The sensitivity, specificity, positive predictive value, negative predictive value, and accuracy of the visual analysis for diagnosing painful TMD were 62.8%, 59.6%, 58.6%, 63.8%, and 61.1%, respectively. The quantitative assessment showed the ability to diagnose painful TMD with a sensitivity of 58.8% and specificity of 69.3%. The diagnostic ability of the visual analysis for diagnosing painful TMD was not significantly different from that of the quantitative analysis.Visual bone scintigraphic analysis showed a diagnostic utility similar to that of quantitative assessment for the diagnosis of painful TMD.

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