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Article Dans Une Revue Computerized Medical Imaging and Graphics Année : 2015

Mapping and characterizing endometrial implants by registering 2D transvaginal ultrasound to 3D pelvic magnetic resonance images

Résumé

Mapping an endometrial tissue seen in Transvaginal Ultrasound (TVUS) to a Magnetic Resonance (MR) image is an important approach to improve the accuracy of diagnosis and preoperative surgery planning. To date, no technical methods solve this problem. In a clinical setting where only one 2D TVUS image is available, methods in the state of the art require the selection of a 2D MR slice and use 2D/2D deformable image registration. This is a limitation since the standard TVUS and MR imaging techniques used for diagnosing endometriosis are 2D and 3D, respectively. In this work, we introduce a novel deformable slice-to-volume registration process to overcome this limitation. To this end, we register a 2D TVUS image to a 3D MR data in order to transform the TVUS planar image to a curved 2D surface in MR volume. The proposed method facilitates the transfer of two types of information from a 2D TVUS image to the MR volume: 1) the location and shape of small implants and 2) the implants' depth of infiltration in the host tissue. Our TVUS-MR registration method uses contour to surface correspondences through a novel variational one-step deformable Iterative Closest Point (ICP) method. We demonstrate the accuracy of the proposed method by quantitative and qualitative tests on semi-synthetic and clinical data sets. Experimental error analysis shows high registration accuracy, illustrating the robustness of the method.
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Dates et versions

hal-01598206 , version 1 (16-10-2017)

Identifiants

Citer

Amir Yavariabdi, Adrien Bartoli, Chafik Samir, Maxime Artigues, Michel Canis. Mapping and characterizing endometrial implants by registering 2D transvaginal ultrasound to 3D pelvic magnetic resonance images. Computerized Medical Imaging and Graphics, 2015, 45, pp.11 - 25. ⟨10.1016/j.compmedimag.2015.07.007⟩. ⟨hal-01598206⟩
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