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Volume 20, Issue 1
  • ISSN: 1573-4056
  • E-ISSN: 1875-6603
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Abstract

Objective

Compared thyroid volumes measured by 2-D and 3-D US with those of resected specimens and proposed new models to improve measurement accuracy.

Methods

This study included 80 patients who underwent total thyroidectomy. One 2D_model and one 3D_model were developed using piecewise linear regression analysis. The accuracy of these models was compared using an ellipsoid model (2-D_US value × 0.5), 3-D_US value, and Ying’s model [1.76 + (2-D_US value × 0.38)].

Results

The new 2D_model was: V=2.66 + (0.71 * X1) - (1.51 * X2). In this model, if 2-D_US value <= 228.39, X1 = 2-D_US value and X2 = 0; otherwise, X1 = 2-D_US value and X2 = 2-D_US value - 228.39. The 3D_model was: V= 2.90 + (1.08 * X1) + (2.43 * X2). In this model, if 3-D_US value <= 102.06, X1 = 3-D_US value and X2 = 0; otherwise, X1 = 3-D_US value and X2 = 3-D_US value - 102.06. The accuracy of the new models was higher than that of the 3-D_US value, the ellipsoid model, and Ying’s model (P<0.05).

Conclusion

The models established are more accurate than the traditional ones and can accurately measure thyroid volume.

© 2024 The Author(s). Published by Bentham Open.
© 2024 The Author(s). Published by Bentham Open. This is an open access article published under CC BY 4.0 https://creativecommons.org/licenses/by/4.0/legalcode
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2024-01-01
2024-11-26

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/content/journals/cmir/10.2174/1573405620666230908111821
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Establishment and Comparison of Piecewise Linear Regression Models to Measure Thyroid Volume by 2D and 3D Ultrasound
Curr. Med. Imaging 20, E080923220831 (2024); https://doi.org/10.2174/1573405620666230908111821
/content/journals/cmir/10.2174/1573405620666230908111821
/content/journals/cmir/10.2174/1573405620666230908111821
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  • Article Type:     Case Report
Keyword(s): Graves’ disease; Piecewise linear regression model; Thyroid morphology; Thyroid volume; Ultrasound

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