Abstract
The analysis of the behavior of the pelvic organs on dynamic mri sequences could help to a better understanding of pelvic floor pathophysiology. The main pelvic organs (bladder, uterus-vagina, rectum) are soft-tissue organs, they undergo deformations and displacements under an abdominal strain. Moreover, the inter-patient morphological variabilities of these organs are very important. In this paper, we present a methodology for the analysis of the pelvic organ dynamics based on a diffeormorphic matching method called large deformation diffeomorphic metric mapping. It allows to define a unique contour parametrization of the pelvic organs, and to estimate the organ deformations after matching the organ shape against its initial state (\(t\!=\!0\)). Some promising results are presented, where the pathology detection capability of the deformation features is analyzed through an inter-patient analysis. Also, an organ parcellation is proposed by performing a local deformation analysis.
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Rahim, M., Bellemare, ME., Pirró, N., Bulot, R. (2011). A Diffeomorphic Matching Based Characterization of the Pelvic Organ Dynamics. In: Real, P., Diaz-Pernil, D., Molina-Abril, H., Berciano, A., Kropatsch, W. (eds) Computer Analysis of Images and Patterns. CAIP 2011. Lecture Notes in Computer Science, vol 6854. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-23672-3_57
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DOI: https://doi.org/10.1007/978-3-642-23672-3_57
Publisher Name: Springer, Berlin, Heidelberg
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