Comparison of Custom Cranial Implant Source Data: Manual, Mirrored and CAD generated skull surfaces

John Winder, Wesley McKnight, Tobias Golz, Alf Giese, Luder Busch

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

One of the objectives of performing cranioplasty is the creation of a satisfactory cosmetic outcome. The purpose of this work is to compare the accuracy of skull defect contours generated by CT volume mirroring and CAD. 3D multi-slice CT scanning was carried out on a cadaver before and after the creation of a large lateral defect. Two volume mirroring and two CAD methods were used to create customised repairs. 3D difference maps were used to compare the repair contour with the original skull. The CAD contour deviation ranged from 0.0 mm to 2.0 mm with 80% of the total defect area less than 0.66 mm as measured by difference maps whilst mirror imaging produced deviations of up to 3.0 mm from the original surface. CAD techniques can be used to produce contours for the repair of cranial defects with minimum deviation from the original skull contour.
LanguageEnglish
Title of host publicationUnknown Host Publication
EditorsTA Darvann, NV Hermann, P Larsen, S Kreiborg
Place of PublicationCopenhagen, Denmark
Pages27-32
Number of pages98
Publication statusPublished - 5 Oct 2006
EventMedical Image Computing & Computer Assisted Intervention - Copenhagen
Duration: 5 Oct 2006 → …

Workshop

WorkshopMedical Image Computing & Computer Assisted Intervention
Period5/10/06 → …

Fingerprint

Information Storage and Retrieval
Skull
Cone-Beam Computed Tomography
Cadaver
Cosmetics

Cite this

Winder, J., McKnight, W., Golz, T., Giese, A., & Busch, L. (2006). Comparison of Custom Cranial Implant Source Data: Manual, Mirrored and CAD generated skull surfaces. In TA. Darvann, NV. Hermann, P. Larsen, & S. Kreiborg (Eds.), Unknown Host Publication (pp. 27-32). Copenhagen, Denmark.
Winder, John ; McKnight, Wesley ; Golz, Tobias ; Giese, Alf ; Busch, Luder. / Comparison of Custom Cranial Implant Source Data: Manual, Mirrored and CAD generated skull surfaces. Unknown Host Publication. editor / TA Darvann ; NV Hermann ; P Larsen ; S Kreiborg. Copenhagen, Denmark, 2006. pp. 27-32
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Winder, J, McKnight, W, Golz, T, Giese, A & Busch, L 2006, Comparison of Custom Cranial Implant Source Data: Manual, Mirrored and CAD generated skull surfaces. in TA Darvann, NV Hermann, P Larsen & S Kreiborg (eds), Unknown Host Publication. Copenhagen, Denmark, pp. 27-32, Medical Image Computing & Computer Assisted Intervention, 5/10/06.

Comparison of Custom Cranial Implant Source Data: Manual, Mirrored and CAD generated skull surfaces. / Winder, John; McKnight, Wesley; Golz, Tobias; Giese, Alf; Busch, Luder.

Unknown Host Publication. ed. / TA Darvann; NV Hermann; P Larsen; S Kreiborg. Copenhagen, Denmark, 2006. p. 27-32.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - One of the objectives of performing cranioplasty is the creation of a satisfactory cosmetic outcome. The purpose of this work is to compare the accuracy of skull defect contours generated by CT volume mirroring and CAD. 3D multi-slice CT scanning was carried out on a cadaver before and after the creation of a large lateral defect. Two volume mirroring and two CAD methods were used to create customised repairs. 3D difference maps were used to compare the repair contour with the original skull. The CAD contour deviation ranged from 0.0 mm to 2.0 mm with 80% of the total defect area less than 0.66 mm as measured by difference maps whilst mirror imaging produced deviations of up to 3.0 mm from the original surface. CAD techniques can be used to produce contours for the repair of cranial defects with minimum deviation from the original skull contour.

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Winder J, McKnight W, Golz T, Giese A, Busch L. Comparison of Custom Cranial Implant Source Data: Manual, Mirrored and CAD generated skull surfaces. In Darvann TA, Hermann NV, Larsen P, Kreiborg S, editors, Unknown Host Publication. Copenhagen, Denmark. 2006. p. 27-32