Nonrigid registration algorithm for longitudinal breast MR images and the preliminary analysis of breast tumor response

Xia Li; Benoit M. Dawant; E. Brian Welch; A. Bapsi Chakravarthy; Darla Freehardt; Ingrid Mayer; Mark Kelley; Ingrid Meszoely; John C. Gore; Thomas E. Yankeelov

doi:10.1117/12.811216

27 March 2009 Nonrigid registration algorithm for longitudinal breast MR images and the preliminary analysis of breast tumor response

Xia Li, Benoit M. Dawant, E. Brian Welch, A. Bapsi Chakravarthy, Darla Freehardt, Ingrid Mayer, Mark Kelley, Ingrid Meszoely, John C. Gore, Thomas E. Yankeelov

Author Affiliations +

Proceedings Volume 7259, Medical Imaging 2009: Image Processing; 72590Q (2009) https://doi.org/10.1117/12.811216
Event: SPIE Medical Imaging, 2009, Lake Buena Vista (Orlando Area), Florida, United States

Abstract

Although useful for the detection of breast cancers, conventional imaging methods, including mammography and ultrasonography, do not provide adequate information regarding response to therapy. Dynamic contrast enhanced MRI (DCE-MRI) has emerged as a promising technique to provide relevant information on tumor status. Consequently, accurate longitudinal registration of breast MR images is critical for the comparison of changes induced by treatment at the voxel level. In this study, a nonrigid registration algorithm is proposed to allow for longitudinal registration of breast MR images obtained throughout the course of treatment. We accomplish this by modifying the adaptive bases algorithm (ABA) through adding a tumor volume preserving constraint in the cost function. The registration results demonstrate the proposed algorithm can successfully register the longitudinal breast MR images and permit analysis of the parameter maps. We also propose a novel validation method to evaluate the proposed registration algorithm quantitatively. These validations also demonstrate that the proposed algorithm constrains tumor deformation well and performs better than the unconstrained ABA algorithm.

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Xia Li, Benoit M. Dawant, E. Brian Welch, A. Bapsi Chakravarthy, Darla Freehardt, Ingrid Mayer, Mark Kelley, Ingrid Meszoely, John C. Gore, and Thomas E. Yankeelov "Nonrigid registration algorithm for longitudinal breast MR images and the preliminary analysis of breast tumor response", Proc. SPIE 7259, Medical Imaging 2009: Image Processing, 72590Q (27 March 2009); https://doi.org/10.1117/12.811216

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KEYWORDS

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Image registration

Breast

Magnetic resonance imaging

Detection and tracking algorithms

Image resolution

Tissues

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