The clinical effectiveness of fused image of single-photon emission CT and facial CT for the evaluation of degenerative change of mandibular condylar head
전승환, 임승원, 정기현, 전재윤, 김상윤, 김지영, 최윤영, 황경균,
소속 상세정보
전승환 ( Jeon Seung-Hwan ) -
임승원 ( Lim Seung-Weon ) -
정기현 ( Jung Ki-Hyun ) -
전재윤 ( Jeon Jae-Yun ) -
김상윤 ( Kim Sang-Yoon ) -
김지영 ( Kim Ji-Young ) - Hanyang University College of Medicine Department of Nuclear Medicine
최윤영 ( Choi Yoon-Young ) -
황경균 ( Hwang Kyung-Gyun ) -
Abstract
Background : The primary objective of this study was to assess the clinical effectiveness of fused images obtained from single-photon emission computed tomography (SPECT) and facial computed tomography (CT) for evaluating degenerative changes in the mandibular condylar head. This assessment was accomplished by comparing the Technetium-99 m methylene diphosphonate (99mTc-MDP) uptake ratio with the results of clinical and radiographic findings.
Methods : The study included 17 patients (3 males and 14 females) with suspected osteoarthritis of the mandibular condyle, totaling 34 temporomandibular joints (TMJs). Based on clinical and radiographic examinations, the TMJs were categorized into four groups: normal (group N), internal derangement (group ID), osteoarthritis (group OA), and osteoarthritis sequelae (group OAseq). For each patient, bone SPECT and facial CT scans were registered and reconstructed to create fused SPECT/CT images. The 99mTc-MDP uptake levels in the TMJs were statistically compared among the four groups.
Results : The 99mTc-MDP uptake ratio showed a gradual increase in the order of the following: group N, group OAseq, group ID, and group OA. There was a significant difference observed among groups (p?=?0.003), mainly driven by the disparity between group OA and both group N (p?
Conclusion : Fused SPECT/CT image can be an effective tool for evaluating degenerative changes in the mandibular condylar head. The technique demonstrated the ability to differentiate between normal TMJs and those with internal derangement, osteoarthritis, or osteoarthritis sequelae. This approach holds promise as a valuable method in clinical assessments of TMJ degeneration.
키워드
Osteoarthritis; Bone SPECT; CT; Temporomandibular joint; Condyle resorption
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