Workflow and simulation of image-to-physical registration of holes inside spongy bone

Workflow and simulation of image-to-physical registration of holes inside spongy bone Int J CARS (2017) 12:1425–1437 DOI 10.1007/s11548-017-1594-5 ORIGINAL ARTICLE Workflow and simulation of image-to-physical registration of holes inside spongy bone 1 2 3 Jan Bergmeier · J. Michael Fitzpatrick · Dorothea Daentzer · 4 1 1 Omid Majdani · Tobias Ortmaier · Lüder A. Kahrs Received: 17 November 2016 / Accepted: 24 April 2017 / Published online: 6 May 2017 © CARS 2017 Abstract the drill trajectory reveals increasing registration accuracy as Purpose Mastoid cells as well as trabecula provide unique more bone-air patterns become available as landmarks with bone structures, which can serve as natural landmarks for reg- the highest accuracy obtained at the center point. At the facial istration. Preoperative imaging enables sufficient acquisition recess and the cochlea, TREs are (0.363 ± 0.169) mm and of these structures, but registration requires an intraoperative (0.553 ± 0.262) mm, respectively. counterpart. Since versatile surgical interventions involve Conclusion This contribution demonstrates a new method drilling into mastoid cells and trabecula, we propose a reg- for registration via endoscopic acquisition of small features istration method based on endoscopy inside of these drill like trabecula or mastoid cells for image-guided procedures. holes. It has the potential to revolutionize bone registration because Methods http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Computer Assisted Radiology and Surgery Springer Journals

Workflow and simulation of image-to-physical registration of holes inside spongy bone

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Publisher
Springer International Publishing
Copyright
Copyright © 2017 by CARS
Subject
Medicine & Public Health; Imaging / Radiology; Surgery; Health Informatics; Computer Imaging, Vision, Pattern Recognition and Graphics; Computer Science, general
ISSN
1861-6410
eISSN
1861-6429
D.O.I.
10.1007/s11548-017-1594-5
Publisher site
See Article on Publisher Site

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