Registration of liver images to minimally invasive intraoperative surface and subsurface data

Yifei Wu; D. Caleb Rucker; Rebekah H. Conley; Thomas S. Pheiffer; Amber L. Simpson; Sunil K. Geevarghese; Michael I. Miga

doi:10.1117/12.2044250

12 March 2014 Registration of liver images to minimally invasive intraoperative surface and subsurface data

Yifei Wu, D. Caleb Rucker, Rebekah H. Conley, Thomas S. Pheiffer, Amber L. Simpson, Sunil K. Geevarghese, Michael I. Miga

Author Affiliations +

Proceedings Volume 9036, Medical Imaging 2014: Image-Guided Procedures, Robotic Interventions, and Modeling; 90360V (2014) https://doi.org/10.1117/12.2044250
Event: SPIE Medical Imaging, 2014, San Diego, California, United States

Abstract

Laparoscopic liver resection is increasingly being performed with results comparable to open cases while incurring less trauma and reducing recovery time. The tradeoff is increased difficulty due to limited visibility and restricted freedom of movement. Image-guided surgical navigation systems have the potential to help localize anatomical features to improve procedural safety and achieve better surgical resection outcome. Previous research has demonstrated that intraoperative surface data can be used to drive a finite element tissue mechanics organ model such that high resolution preoperative scans are registered and visualized in the context of the current surgical pose. In this paper we present an investigation of using sparse data as imposed by laparoscopic limitations to drive a registration model. Non-contact laparoscopicallyacquired surface swabbing and mock-ultrasound subsurface data were used within the context of a nonrigid registration methodology to align mock deformed intraoperative surface data to the corresponding preoperative liver model as derived from pre-operative image segmentations. The mock testing setup to validate the potential of this approach used a tissue-mimicking liver phantom with a realistic abdomen-port patient configuration. Experimental results demonstrates a range of target registration errors (TRE) on the order of 5mm were achieving using only surface swab data, while use of only subsurface data yielded errors on the order of 6mm. Registrations using a combination of both datasets achieved TRE on the order of 2.5mm and represent a sizeable improvement over either dataset alone.

Citation Download Citation

Yifei Wu, D. Caleb Rucker, Rebekah H. Conley, Thomas S. Pheiffer, Amber L. Simpson, Sunil K. Geevarghese, and Michael I. Miga "Registration of liver images to minimally invasive intraoperative surface and subsurface data", Proc. SPIE 9036, Medical Imaging 2014: Image-Guided Procedures, Robotic Interventions, and Modeling, 90360V (12 March 2014); https://doi.org/10.1117/12.2044250

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