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Segmentation of malignant lesions in 3D breast ultrasound using a depth-dependent model

 
: Tan, T.; Gubern-Mérida, A.; Borelli, C.; Manniesing, R.; Van Zelst, J.; Wang, L.; Zhang, W.; Platel, B.; Mann, R.M.; Karssemeijer, N.

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Medical physics 43 (2016), Nr.7, S.4074-4084
ISSN: 0094-2405
Englisch
Zeitschriftenaufsatz
Fraunhofer MEVIS ()

Abstract
Purpose: Automated 3D breast ultrasound (ABUS) has been proposed as a complementary screening modality to mammography for early detection of breast cancers. To facilitate the interpretation of ABUS images, automated diagnosis and detection techniques are being developed, in which malignant lesion segmentation plays an important role. However, automated segmentation of cancer in ABUS is challenging since lesion edges might not be well defined. In this study, the authors aim at developing an automated segmentation method for malignant lesions in ABUS that is robust to ill-defined cancer edges and posterior shadowing. Methods: A segmentation method using depth-guided dynamic programming based on spiral scanning is proposed. The method automatically adjusts aggressiveness of the segmentation according to the position of the voxels relative to the lesion center.

: http://publica.fraunhofer.de/dokumente/N-421869.html