Markerless patient registration. A new technique for image-guided surgery of the lateral base of the skull

HNO
Rüdiger MarmullaStefan Hassfeld

Abstract

Markerless patient registration is a new procedure that may reduce logistical efforts and possibly also the radiation load on the patients prior to a computer-assisted intervention. Congruent surfaces, such as bone surfaces or skin surfaces, represented in a data set and in the surgical site, can be overlapped with the help of surface matching. Hitherto, these techniques were performed by using the periorbital and frontal skin of the face. The present clinical study assessed the usability of the auricle as a skin structure for markerless patient registration in lateral skull base surgery. The periauricular precision of the navigation system SSN was investigated clinically in ten patients. Radiopaque registration markers in the periauricular region served as a target in order to evaluate the markerless registration method. Exact patient registration failed in five cases due to temporary deformation of the auricle caused by the head support during CT imaging. An excellent patient registration (mean target registration error = 0.9+/-0.2 mm) was found as long as the auricles had not been temporarily deformed during CT imaging. Laser-scan registration of the auricle reduces logistics in image-guided lateral skull base surgery. The p...Continue Reading

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Citations

Jun 30, 2007·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Marc Christian MetzgerBrad Strong
Apr 6, 2013·Oral and Maxillofacial Surgery·Philipp MetzlerHeinz-Theo Lübbers
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Nov 15, 2011·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Cyrill BettschartHeinz-Theo Lübbers
Nov 30, 2010·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Heinz-Theo LübbersMarius Bredell
Feb 19, 2008·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Heinz-Theo LuebbersFelix Matthews
Jul 22, 2010·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Mathias HoferGero Strauss
May 21, 2010·The Journal of Craniofacial Surgery·Heinz-Theo LübbersFelix Matthews
May 1, 2021·International Journal of Environmental Research and Public Health·Giuditta BattistoniAlberto Di Blasio

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