대한핵의학회지 (1967년~2009년)
대한핵의학회지 1995;29(4)511~7
원저 : 측두하악장애의 진단에서 Bone Scan의 유용성 ( Clinical Utility of bone Scan in the Diagnosis of Temporomandibular disorders )
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Author 김인주(In Joo Kim),강양호(Yang Ho Kang),손석만(Seok Man Son),이경석(Kyoung Seog Lee),이재복(Jae Bok Lee),김용기(Yong Ki Kim),서봉직(Bong Jik Seo),박준상(June Sang Park),고명연(Myung Yun Ko),손성표(Seong Pyo Son),
Affiliation
Abstract

Bone scan is a very sensitive diagnostic imaging test for detecting bone and joint disorders. So it might be useful in the diagnosis of temporomandibular disorders of the joint origin. Thus, the effectiveness of bone scan for detecting temporomandibular joint(TMJ) diseases and differentiating the TMJ disc displacement from the TMJ arthritis was evaluated. Bone scan was done in 21 patients with TMJ disc displacement(l3 unilaterally affected, 8 bilaterally affected), 26 patients with TMJ arthritis(23 unilateral, 3 bilateral), and 39 volunteers with no signs, symtoms, or history of TMJ disease TMJ simple uptake rate(SUR) and difference of both TMJ SUR were calculated from the 100,000 count lateral image of head and neck region in Tc-99m MDP bone scan. Transcranial and panorama X-ray examination was also done in all patients. TMJ SUR(%) were 1.673±0.606 in TMJs affected with arthritis, 1.350±0.351 in TMJs affected with disc displacement, and 1.084±0.172 in TMJs of controls Significant differences were demonstrated among them(p〈001). Difference of bith TMJ SUR was highest in patients with unilateral TMJ arthritis(0.608±0.533, p〈001), and there is no significant difference between that of controls and that of unilateral TMJ disc displacement patients(0.062±0.063 vs 0.122±0.100). TMJ SUR of joint with bone change on X-ray finding was not significantly different from that of joint with normal X-ray finding. Those in patients with unilateral TMJ disc displacement(69.6% and 87% vs 23.1% and 23%). The proportions of patients with increased TMJ SUR and difference of both TMJ SUR(〉mean+2SD of controls) in unilateral TMJ arthritis patients were significantly higher than those in patients with unilateral TMJ disc displacement(69.6% and 87% vs 23.1% and 23%). Conclusively, bone scan may help to detect TMJ disease and differentiate TMJ disc displacement from TMJ arthritis.

Keyword Tc-99m MDP bone scan, TMJ disc displacement, TMJ arthritis, TMJ simple uptake rate, Difference of both TMJ simple uptake rate
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