ArticleScientific reports2023
Impact of physiological parameters on the parotid gland fat fraction in a normal population.
Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 7 citations in OpenAlex.
- Simultaneous T1, T2, R2*, PDFF, and triglyceride quantification in the head and neck using magnetic resonance fingerprinting on a 1.5T MR-Linac.Medical physics · 2026Article
- Multiparametric Ex Vivo Evaluation of Parotid Tumors: Feasibility and Preliminary Results.NMR in biomedicine · 2026Article
- Role of Major Salivary Gland MRI in Adult Sjögren's Disease: Protocols, Findings, and Clinical Utility.Cureus · 2026Review
- Age-related changes in the parotid gland: a computed tomography-based radiomics study.Quantitative imaging in medicine and surgery · 2026Article
- Salivary Physicochemical Parameters in Relation to Dental Caries and Adiposity Status.International journal of dental hygiene · 2025Article
- Quantitative evaluation of parotid gland dysfunction in patients with hyposalivation using magnetic resonance imaging mapping technique : Quantification of Parotid gland function using MRI.BMC oral health · 2025Article
- Development and accuracy validation of a fat fraction imaging biomarker for sialadenitis in the parotid gland.BMC oral health · 2023Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Quantifying physiological fat tissue in the organs is important to further assess the organ's pathologic status. This study aimed to investigate the impact of body mass index (BMI), age, and sex on the fat fraction of normal parotid glands. Patients undergoing magnetic resonance imaging (MRI) of iterative decomposition of water and fat with echo asymmetry and least squares estimation (IDEAL-IQ) due to non-salivary gland-related disease were reviewed. Clinical information of individual patients was categorized into groups based on BMI (under/normal/overweight), age (age I/age II/age III), and sex (female/male) and an inter-group comparison of the fat fraction values of both parotid glands was conducted. Overall, in the 626 parotid glands analyzed, the fat fraction of the gland was 35.80%. The mean fat fraction value increased with BMI (30.23%, 35.74%, and 46.61% in the underweight, normal and overweight groups, respectively [p < 0.01]) and age (32.42%, 36.20%, and 41.94% in the age I, II, and III groups, respectively [p < 0.01]). The fat content of normal parotid glands varies significantly depending on the body mass and age regardless of sex. Therefore, the patient's age and body mass should be considered when evaluating fatty change in the parotid glands in imaging results.
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