Computerized analysis of sonograms for the detection of breast lesions

Karen Drukker; Maryellen Lissak Giger; Karla Horsch; Carl J. Vyborny

doi:10.1117/12.467093

9 May 2002 Computerized analysis of sonograms for the detection of breast lesions

Karen Drukker, Maryellen Lissak Giger, Karla Horsch, Carl J. Vyborny

Proceedings Volume 4684, Medical Imaging 2002: Image Processing; (2002) https://doi.org/10.1117/12.467093
Event: Medical Imaging 2002, 2002, San Diego, California, United States

Abstract

With a renewed interest in using non-ionizing radiation for the screening of high risk women, there is a clear role for a computerized detection aid in ultrasound. Thus, we are developing a computerized detection method for the localization of lesions on breast ultrasound images. The computerized detection scheme utilizes two methods. Firstly, a radial gradient index analysis is used to distinguish potential lesions from normal parenchyma. Secondly, an image skewness analysis is performed to identify posterior acoustic shadowing. We analyzed 400 cases (757 images) consisting of complex cysts, solid benign lesions, and malignant lesions. The detection method yielded an overall sensitivity of 95% by image, and 99% by case at a false-positive rate of 0.94 per image. In 51% of all images, only the lesion itself was detected, while in 5% of the images only the shadowing was identified. For malignant lesions these numbers were 37% and 9%, respectively. In summary, we have developed a computer detection method for lesions on ultrasound images of the breast, which may ultimately aid in breast cancer screening.

Citation Download Citation

Karen Drukker, Maryellen Lissak Giger, Karla Horsch, and Carl J. Vyborny "Computerized analysis of sonograms for the detection of breast lesions", Proc. SPIE 4684, Medical Imaging 2002: Image Processing, (9 May 2002); https://doi.org/10.1117/12.467093

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