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Evaluation of parotid glands in healthy children and adolescents using shear wave elastography and superb microvascular imaging

  • PAEDIATRIC RADIOLOGY
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Abstract

Objectives

We aim to determine parotid gland elasticity values from healthy children and adolescents using shear wave elastography (SWE). We also define the degree of vascularity using superb microvascular imaging (SMI), power Doppler (PD), and color Doppler (CD) and compare SMI with CD and PD.

Materials and methods

A total of 100 cases, comprising 50 girls and 50 boys, with ages ranging from 3 to 17 years were included in this prospective study. SWE, SMI, PD, and CD measurements were taken from both parotid glands, and the relationships with sex, age, and body mass index (BMI) were determined. The SMI was compared with the PD and CD.

Results

The median elasticity values measured with SWE were 8.37 ± 2.09 kPa and 1.68 ± 0.26 m/s on the right and 8.33 ± 2.04 kPa and 1.69 ± 0.26 m/s on the left. There were significant positive correlations present for those aged below and above 10 years and for BMI with elasticity values. The median vascular spot numbers measured using SMI, PD, and CD were 5 ± 1.70, 3.5 ± 1.45, and 2 ± 1.1 on the right and 4 ± 1.7, 4 ± 1.43, and 2 ± 1.05 on the left, respectively. The median values obtained with SMI were significantly higher than the median values obtained with both PD and CD.

Conclusion

This study determined the reference SWE, SMI, PD, and CD values for normal parotid glands in healthy children and adolescents. Elasticity values were affected by age and BMI. There was no correlation between vascularity values and age, sex, or BMI. SMI provided more detailed information about vascularity compared with the other methods.

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Acknowledgements

We acknowledge Ms. Manolya Kara Acar in assisting to review the publications and Ms. Yeliz Pekcevik for her assistance in the online literature search.

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Authors and Affiliations

  1. Department of Pediatric Radiology, Istanbul Faculty of Medicine, Turgut Ozal Street, Fatih, 34063, Istanbul, Turkey

    Emine Caliskan, Zuhal Bayramoglu & Ibrahim Adaletli

  2. Department of Radiology, Faculty of Medicine, Selcuk University, Alaeddin Keykubat Yerleşkesi, kademi Mah. Yeni Istanbul Street. No:369, Konya, Turkey

    Mehmet Ozturk

  3. Department of Radiology, Istanbul Faculty of Medicine, Turgut Ozal Street, Fatih, Istanbul, Turkey

    Rana Gunoz Comert

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  1. Emine Caliskan
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  2. Mehmet Ozturk
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Correspondence to Emine Caliskan.

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The authors declare that they have no conflicts of interest.

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The institutional review board approved the study and waived the need for patient consent.

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Caliskan, E., Ozturk, M., Bayramoglu, Z. et al. Evaluation of parotid glands in healthy children and adolescents using shear wave elastography and superb microvascular imaging. Radiol med 123, 710–718 (2018). https://doi.org/10.1007/s11547-018-0897-0

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  • DOI: https://doi.org/10.1007/s11547-018-0897-0

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