2021
DOI: 10.1007/s11548-021-02452-8
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Impact of deformation on a supine-positioned image-guided breast surgery approach

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Cited by 13 publications
(11 citation statements)
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References 41 publications
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“…The nonrigid model-based registration method performed significantly better than the rigid registration method in both FRE and TRE, which is consistent with the fact that there are large nonrigid deformations that occur between arm-down to arm-up positions. 11 This result suggests that a BCS image guidance system would benefit from nonrigid registration to better localize subsurface breast tumors. However, the nonrigid modelbased registration performance was limited, and possible explanations for this may be the need for additional geometric data, the lack of heterogeneity or anisotropy in the model, or the lack of anatomic structural components in the model such as the suspensory Cooper's ligaments of the breast.…”
Section: Discussionmentioning
confidence: 93%
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“…The nonrigid model-based registration method performed significantly better than the rigid registration method in both FRE and TRE, which is consistent with the fact that there are large nonrigid deformations that occur between arm-down to arm-up positions. 11 This result suggests that a BCS image guidance system would benefit from nonrigid registration to better localize subsurface breast tumors. However, the nonrigid modelbased registration performance was limited, and possible explanations for this may be the need for additional geometric data, the lack of heterogeneity or anisotropy in the model, or the lack of anatomic structural components in the model such as the suspensory Cooper's ligaments of the breast.…”
Section: Discussionmentioning
confidence: 93%
“…When considering registration, rigid techniques are fast but fail to capture large soft-tissue deformations that occur from changes in position. 10,11 Affine transformations can improve registration accuracy but only represent a global transformation. Nonrigid registration methods that utilize elastic biomechanical models can capture local deformations yet are nontrivial in implementation.…”
Section: Introductionmentioning
confidence: 99%
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“…Over the last 20 years, biomechanical Finite Element (FE) modelling of human breast tissues has been investigated for various medical applications such as surgical procedure training (Babarenda Gamage et al, 2019), preoperative planning (Vavourakis et al (2016); Weis et al (2017)), clinical biopsy (Tagliabue et al, 2019), image registration (Han et al, 2013), mammography (Chung et al, 2008), or image-guided surgery (Richey et al, 2021). The choice of appropriate constitutive equations associated with each breast tissue has strong consequences on numerical simulations.…”
Section: Introductionmentioning
confidence: 99%
“…Although MRI-based supine approaches provide information regarding breast tissue motion, it is an addition to the current standard clinical practice. Furthermore, recent studies have shown that there is a significant deformation between surgical position and supine magnetic resonance positioning that need to be accounted for through image guidance [18]. Other groups proposed the use of the intraoperative surface acquired with an optical scan and to deform the preoperative MRI derived volume to match the surgical surface using finite element method (FEM) models with boundary conditions relying on skin-attached or anatomical markers.…”
Section: Introductionmentioning
confidence: 99%