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Journal of Medical Imaging

Segmentation of breast masses on dedicated breast computed tomography and three-dimensional breast ultrasound images
Author(s): Hsien-Chi Kuo; Maryellen L. Giger; Ingrid Reiser; Karen Drukker; John M. Boone; Karen K. Lindfors; Kai Yang; Alexandra V. Edwards; Charlene A. Sennett
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Paper Abstract

We present and evaluate a method for the three-dimensional (3-D) segmentation of breast masses on dedicated breast computed tomography (bCT) and automated 3-D breast ultrasound images. The segmentation method, refined from our previous segmentation method for masses on contrast-enhanced bCT, includes two steps: (1) initial contour estimation and (2) active contour-based segmentation to further evolve and refine the initial contour by adding a local energy term to the level-set equation. Segmentation performance was assessed in terms of Dice coefficients (DICE) for 129 lesions on noncontrast bCT, 38 lesions on contrast-enhanced bCT, and 98 lesions on 3-D breast ultrasound (US) images. For bCT, DICE values of 0.82 and 0.80 were obtained on contrast-enhanced and noncontrast images, respectively. The improvement in segmentation performance with respect to that of our previous method was statistically significant (p=0.002 ). Moreover, segmentation appeared robust with respect to the presence of glandular tissue. For 3-D breast US, the DICE value was 0.71. Hence, our method obtained promising results for both 3-D imaging modalities, laying a solid foundation for further quantitative image analysis and potential future expansion to other 3-D imaging modalities.

Paper Details

Date Published: 23 April 2014
PDF: 13 pages
J. Med. Img. 1(1) 014501 doi: 10.1117/1.JMI.1.1.014501
Published in: Journal of Medical Imaging Volume 1, Issue 1
Show Author Affiliations
Hsien-Chi Kuo, The Univ. of Chicago (United States)
Univ. of Illinois at Chicago (United States)
Maryellen L. Giger, The Univ. of Chicago (United States)
Ingrid Reiser, The Univ. of Chicago (United States)
Karen Drukker, The Univ. of Chicago (United States)
John M. Boone, Univ. of California, Davis (United States)
Karen K. Lindfors, Univ. of California, Davis (United States)
Kai Yang, Univ. of California, Davis (United States)
Alexandra V. Edwards, The Univ. of Chicago (United States)
Charlene A. Sennett, The Univ. of Chicago (United States)


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