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Parotid gland evaluation of menopausal women with xerostomia using the iterative decomposition of water and fat with echo asymmetry and least-squares estimation (IDEAL-IQ) method of MRI: a pilot study

Authors
 Kug Jin Jeon  ;  Younjung Park  ;  Hui Jeong  ;  Chena Lee  ;  Yoon Joo Choi  ;  Sang-Sun Han 
Citation
 DENTOMAXILLOFACIAL RADIOLOGY, Vol.52(4) : 20220349, 2023-04 
Journal Title
DENTOMAXILLOFACIAL RADIOLOGY
ISSN
 0250-832X 
Issue Date
2023-04
MeSH
Female ; Humans ; Magnetic Resonance Imaging ; Menopause ; Parotid Gland ; Pilot Projects ; Sjogren's Syndrome* ; Water ; Xerostomia* / diagnosis
Keywords
IDEAL-IQ ; Magnetic Resonance Imaging ; Parotid Gland ; Sjögren’s Syndrome ; Xerostomia
Abstract
OBJECTIVES: This study aimed to analyze the quantitative fat fraction (FF) of the parotid gland in menopausal females with xerostomia using the iterative decomposition of water and fat with echo asymmetry and least-squares estimation (IDEAL-IQ) method.

METHODS: A total 138 parotid glands of 69 menopausal females were enrolled in our study and participants were divided into normal group and xerostomia group. The xerostomia group was divided into those with or without Sjögren's syndrome. Participants underwent IDEAL-IQ sequences of MRI and the stimulated salivary flow test (s-SFR). The unpaired t-test was used to compare the FFs between the normal and xerostomia groups and between the subgroups with and without Sjögren's syndrome. The correlation between FF and s-SFR was analyzed by Pearson's correlation.

RESULTS: Excellent intra- and interobserver agreement during the measurement of FFs by IDEAL-IQ method (ICC>0.99, respectively). FF value in the xerostomia group was statistically significantly higher than the value in the normal group (p < 0.05). Within the xerostomia group, the average FF value of females with Sjögren's syndrome was higher than that of females without Sjögren's syndrome. However, the difference was not statistically significant (p > 0.05). Within the xerostomia group, FF value correlated negatively with s-SFR (p < 0.08).

CONCLUSIONS: The FF of the parotid gland was higher in the xerostomia group than in the normal group and FF value and s-SFR showed a negative correlation. Analyses of the FF using IDEAL-IQ in menopausal females can be helpful for the quantitative diagnosis of xerostomia.
Full Text
https://www.birpublications.org/doi/10.1259/dmfr.20220349
DOI
10.1259/dmfr.20220349
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Radiology (영상치의학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Orofacial Pain and Oral Medicine (구강내과학교실) > 1. Journal Papers
Yonsei Authors
Park, Youn-Jung(박연정) ORCID logo https://orcid.org/0000-0002-9152-7849
Lee, Chena(이채나) ORCID logo https://orcid.org/0000-0002-8943-4192
Jeon, Kug Jin(전국진) ORCID logo https://orcid.org/0000-0002-5862-2975
Choi, Yoon Joo(최윤주) ORCID logo https://orcid.org/0000-0001-9225-3889
Han, Sang Sun(한상선) ORCID logo https://orcid.org/0000-0003-1775-7862
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/195370
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