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Utility of F-18-fluorodeoxy glucose and F-18-sodium fluoride positron emission tomography/computed tomography in the diagnosis of medication-related osteonecrosis of the jaw: A preclinical study in a rat model

Title
Utility of F-18-fluorodeoxy glucose and F-18-sodium fluoride positron emission tomography/computed tomography in the diagnosis of medication-related osteonecrosis of the jaw: A preclinical study in a rat model
Authors
Kim, YemiLee, Ho-YoungYoon, Hai-JeonKim, Bom Sahn
Ewha Authors
김범산김예미윤혜전
SCOPUS Author ID
김범산scopus; 김예미scopus; 윤혜전scopus
Issue Date
2016
Journal Title
JOURNAL OF CRANIO-MAXILLOFACIAL SURGERY
ISSN
1010-5182JCR Link1878-4119JCR Link
Citation
vol. 44, no. 4, pp. 357 - 363
Keywords
F-18-NaFF-18-FDG PET/CTMedication-related osteonecrosis of the jawDiagnosisBisphosphonateRat model
Publisher
CHURCHILL LIVINGSTONE
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Purpose: The aim of this study was to determine the clinical utility of positron emission tomography/computed tomography (PET/CT) using F-18-FDG and F-18-NaF for the diagnosis of osteonecrosis of the jaw (ONJ), by observing characteristics in rat models treated with zoledronic acid (ZA) and/or dexamethasone (DX) followed by tooth extraction. Material and methods: A total of 48 rats were divided randomly into four groups: Group 1, rats treated with ZA and DX; Group 2, rats treated with ZA; Group 3, rats treated with DX; and Group 4, rats treated with vehicle as normal controls. They underwent examinations with both F-18-FDG and F-18-NaF PET/CT at 4 weeks prior to tooth extraction (baseline) and 4 weeks after tooth extraction. Rats were then sacrificed to evaluate the histological incidence and characteristics of ONJ. Histological and radiological characteristics of all groups were compared to assess the effects of medication and tooth extraction. Results: Baseline PET/CT studies using F-18-FDG and F-18-NaF showed no difference in uptake among the groups. However, F-18-FDG PET/CT performed at 4 weeks after tooth extraction showed increased glucose metabolism at the extraction site in both the ZA/DX and the ZA-only groups compared with that in the vehicle-treated group, in accordance with the higher incidence of histological ONJ (p < 0.05, respectively). F-18-NaF PET/CT performed at 4 weeks after tooth extraction showed decreased bone uptake in the extraction site in the ZA/DX, ZA, and DX groups versus the vehicle group (all p < 0.05), but this was not correlated with the incidence of histological ONJ. The incidence of ONJ was highest in the ZA/DX group (66.7%), followed by the ZA group, both of which were significantly higher than in the DX and vehicle groups (both p < 0.05). Conclusions: F-18-FDG PET/CT as an inflammatory marker appeared to be a more appropriate imaging modality than F-18-NaF PET/CT in diagnosing ONJ in a rat model including a ZA/DX group. However, the decreased bone remodeling tendency highlighted by F-18-NaF PET/CT may be an indicator of a possible risk of ONJ before the onset of clinical signs and symptoms. (C) 2016 European Association for Cranio-Maxillo-Facial Surgery. Published by Elsevier Ltd. All rights reserved.
DOI
10.1016/j.jcms.2016.01.009
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의과대학 > 의학과 > Journal papers
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