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Study on parotid gland morphologic changes in diabetic patients based on diameter measurement by MRI
WU Shuang  WANG Xuemei  NIU Mingjia  FANG Yuan  ZHENG Tao  LI Jinglong 

Cite this article as: Wu S, Wang XM, Niu MJ, et al. Study on parotid gland morphologic changes in diabetic patients based on diameter measurement by MRI[J]. Chin J Magn Reson Imaging, 2022, 13(2): 91-95. DOI:10.12015/issn.1674-8034.2022.02.019.


[Abstract] Objective The correlation between parotid diameter and parotid volume was preliminarily studied by MRI in order to evaluate the morphological changes of parotid gland with parotid diameter instead of volume.Materials and Methods The correlation diameter and volume of bilateral parotid gland were measured by 90 healthy subjects, and the correlation was analyzed. The correlation between diameter and volume is analyzed by multivariate linear regression, and the regression equation is obtained. The correlation diameter of parotid gland was measured in 10 patients with type 2 diabetes and the volume was obtained by substituting the value into the regression equation.Results The anteroposterior and vertical diameters was positively correlated with the volume of the parotid gland of healthy subjects (anteroposterior diameter correlation coefficient r=0.728, vertical diameter correlation coefficient r=0.720), the regression equation was V=9.506+4.144X+2.190Y (X=anteroposterior diameter, Y=vertical diameter). There was no significant difference between the measured volume and the calculated volume of parotid gland by regression equation.Conclusions The anteroposterior diameter, the upper and lower diameter were obvious correlated with the volume of parotid gland, and parotid gland can be easily calculated using the regression equation. Our study provided a simple and easy method for estimate the parotid gland volume.
[Keywords] parotid gland;volume calculation;diameter measurement;magnetic resonance imaging;diabetes

WU Shuang1   WANG Xuemei2   NIU Mingjia3*   FANG Yuan4   ZHENG Tao1   LI Jinglong1  

1 Medical Imaging Center, the First Hospital of Qinhuangdao, Qinhuangdao 066000, China

2 Physical Examination Center, the First Hospital of Qinhuangdao, Qinhuangdao 066000, China

3 Department of Endocrinology, the First Hospital of Qinhuangdao, Qinhuangdao 066000, China

4 Medical Imaging Center, Chongqing Yubei District People's Hospital, Chongqing 401120, China

Niu MJ, E-mail: fyynmj@sohu.com

Conflicts of interest   None.

Received  2021-07-06
Accepted  2022-01-24
DOI: 10.12015/issn.1674-8034.2022.02.019
Cite this article as: Wu S, Wang XM, Niu MJ, et al. Study on parotid gland morphologic changes in diabetic patients based on diameter measurement by MRI[J]. Chin J Magn Reson Imaging, 2022, 13(2): 91-95.DOI:10.12015/issn.1674-8034.2022.02.019

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