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Proceedings Paper

Computer-assisted selection of donor sites for autologous grafts
Author(s): Zdzislaw Krol; Hans-Florian Uli Zeilhofer; Robert Sader; Karl-Heinz Hoffmann; Paul Gerhardt; Hans-Henning Horch
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Paper Abstract

A new method is proposed for a precise planning of autologous bone grafts in cranio- and maxillofacial surgery. In patients with defects of the facial skeleton, autologous bone transplants can be harvested from various donor sites in the body. The preselection of a donor site depends i.a. on the morphological fit of the available bone mass and the shape of the part that is to be transplanted. A thorough planning and simulation of the surgical intervention based on 3D CT studies leads to a geometrical description and the volumetric characterization of the bone part to be resected and transplanted. Both, an optimal fit and a minimal lesion of the donor site are guidelines in this process. We use surface similarity and voxel similarity measures in order to select the optimal donor region for an individually designed transplant.

Paper Details

Date Published: 7 May 1997
PDF: 7 pages
Proc. SPIE 3031, Medical Imaging 1997: Image Display, (7 May 1997); doi: 10.1117/12.273897
Show Author Affiliations
Zdzislaw Krol, Technische Univ. Muenchen (Germany)
Hans-Florian Uli Zeilhofer, Technische Univ. Muenchen (Germany)
Robert Sader, Technische Univ. Muenchen (Germany)
Karl-Heinz Hoffmann, Technische Univ. Muenchen (Germany)
Paul Gerhardt, Technische Univ. Muenchen (Germany)
Hans-Henning Horch, Technische Univ. Muenchen (Germany)

Published in SPIE Proceedings Vol. 3031:
Medical Imaging 1997: Image Display
Yongmin Kim, Editor(s)

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