Cranial shape comparison for automated objective 3D craniosynostosis surgery planning

Manon L. Tolhuisen (Corresponding Author), Guido A. de Jong, Ruud J. M. van Damme, Ferdinand van der Heijden, Hans H. K. Delye

Research output: Contribution to journalArticleAcademicpeer-review

3 Citations (Scopus)
117 Downloads (Pure)


Virtual planning of open cranial vault reconstruction is used to simulate and define an pre-operative plan for craniosynostosis surgery. However, virtual planning techniques are subjective and dependent on the experience and preferences of the surgical team. To develop an objective automated 3D pre-operative planning technique for open cranial vault reconstructions, we used curvature maps for the shape comparison of the patient’s skull with an age-specific reference skull. We created an average skull for the age-group of 11–14 months. Also, we created an artificial test object and selected a cranial CT-scan of an 11 months old trigonocephaly patient as test case. Mesh data of skulls were created using marching cubes and raycasting. Curvature maps were computed using quadric surface fitting. The shape comparison was tested for the test object and the average skull. Finally, shape comparison was performed for the trigonocephalic skull with the average skull. Similar shapes and the area on the patient’s skull that maximally corresponded in shape with the reference shape were correctly identified. This study showed that curvature maps allow the comparison of craniosynostosis skulls with age-appropriate average skulls and a first step towards an objective user-independent pre-operative planning technique for open cranial vault reconstructions is made.
Original languageEnglish
Article number3349
JournalScientific reports
Issue number1
Publication statusPublished - 20 Feb 2018


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