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15.03.2016 | Original Article | Ausgabe 3/2016

Nuclear Medicine and Molecular Imaging 3/2016

Open-Mouth Bone Scintigraphy Is Better than Closed-Mouth Bone Scintigraphy in the Diagnosis of Temporomandibular Osteoarthritis

Zeitschrift:
Nuclear Medicine and Molecular Imaging > Ausgabe 3/2016
Autoren:
Ki Seong Park, Ho-Chun Song, Sang-Geon Cho, Sae-Ryung Kang, Jahae Kim, Haeng Man Jun, Minchul Song, Geum-Cheol Jeong, Hee Jeong Park, Seong Young Kwon, Jung-Joon Min, Henry Hee-Seung Bom
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1007/​s13139-016-0407-z) contains supplementary material, which is available to authorized users.

Abstract

Purpose

Closed-mouth bone scintigraphy (CM scan) and closed-mouth single-photon emission computed tomography (CM SPECT) are used for conventional evaluation of osteoarthritis of the temporomandibular joint (TMJ). However, the adequacy of open-mouth bone scintigraphy (OM scan) has not yet been evaluated. Therefore, the purpose of this study was to compare the diagnostic performance of CM scan, CM SPECT, and OM scan.

Methods

Thirty-six patients with suspicion of an abnormality of the TMJ and who underwent a 99mTc-HDP CM scan, CM SPECT, and an OM scan were enrolled. The scans were assessed visually for the presence of positive focal uptake in the TMJ. Osteoarthritis was defined as arthralgia plus crepitus or radiologic signs of arthrosis.

Results

Of 72 TMJs, 21 (29.2 %) were diagnosed with osteoarthritis. The sensitivity, specificity, positive predictive value, negative predictive value and accuracy were 90.5 %, 49.0 %, 42.2 %, 92.6 % and 61.1 % for the CM scan, 81.0 %, 58.8 %, 44.7 %, 88.2 % and 65.3 % for CM SPECT, and 81.0 %, 82.4 %, 65.4 %, 91.3 % and 81.9 % for the OM scan, respectively. The accuracy of the OM scan was higher than that of CM SPECT and the CM scans (p = 0.004 and p < 0.001, respectively).

Conclusions

The OM scan was more accurate than the conventional CM scan and even CM SPECT for diagnosing TMJ osteoarthritis.

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Zusatzmaterial
Supplement table 1 (DOCX 11 kb)
13139_2016_407_MOESM1_ESM.docx
Supplement table 2 (DOCX 17 kb)
13139_2016_407_MOESM2_ESM.docx
Literatur
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