Femoral anteversion estimation by using the 3D modeling method

June-Sic Kim; Kwang Soo Choi; Si Bok Park; Tae Soo Park; Sun Il Kim

doi:10.1117/12.349476

26 May 1999 Femoral anteversion estimation by using the 3D modeling method

June-Sic Kim, Kwang Soo Choi, Si Bok Park, Tae Soo Park, Sun Il Kim

Author Affiliations +

Proceedings Volume 3658, Medical Imaging 1999: Image Display; (1999) https://doi.org/10.1117/12.349476
Event: Medical Imaging '99, 1999, San Diego, CA, United States

Abstract

Femoral anteversion is regarded as the extent of the torsion of the femoral head. Several methods for measuring femoral anteversion using CT image have been described since 1980. We introduce the 3D modeling method for measuring femoral anteversion in this paper. In this method, femoral anteversion is determined by calculating all required parameters with the boundary data of femur. To evaluate the 3D modeling method, the result by this method are compared with those by the conventional method - the 2D CT method and the 3D imagine method. The data from the direct method is used as reference values. The average error of the 3D modeling method, the 2D CT method and the 3D imaging method was 1.1 degree, 5.33 degree, and 0.45 degrees, respectively. In conclusion, the 3D modeling method proved to be a better technique since the procedures reduced the processing time and eliminates manual errors, thus provided accurate data.

Citation Download Citation

June-Sic Kim, Kwang Soo Choi, Si Bok Park, Tae Soo Park, and Sun Il Kim "Femoral anteversion estimation by using the 3D modeling method", Proc. SPIE 3658, Medical Imaging 1999: Image Display, (26 May 1999); https://doi.org/10.1117/12.349476

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KEYWORDS

Neck

3D modeling

Computed tomography

3D image processing

Head

Direct methods

Stereoscopy

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