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Journal of Korean Neurosurgical Society 1996;25(7): 1468-1472. |
| Three-dimensional CT Imaging in the Evaluation of Craniosynostosis. |
| Se Hyuck Park, Dae Young Yoon, Kyu Ho Lee, Sae Moon Oh |
1Department of Neurosurgery, Kangdong Sacred Heart Hospital, College of Medicine, Hallym University, Seoul, Korea.
2Department of Radiology, Kangdong Sacred Heart Hospital, College of Medicine, Hallym University, Seoul, Korea. |
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| ABSTRACT |
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Technical advances in computer image analysis have made possible three-dimensional(3D) surface Informations of anatomic structures from contiguous axial CT slices. We have recently utilized this 3D CT reconstruction with spiral CT scanner in 6 consecutive patients with primary or secondary craniosynostosis to assess the presence and extent of synostosis, associated calvarial deformity and to facilitate surgical planning of the craniectomy site. High resolution 3-mm contiguous CT sections were obtained and 3D shaded-surface reconstruction image generated after reformation at 2-mm interval. In each case 3D CT demonstrated the exact extent of synostosis, and in 3 cases it was confirmed by surgical inspection. 3D CT images facilitated surgical planning by precisely localizing the proper site for craniectomy. Three-dimensional CT with shaded-surface display may be a useful adjunct to imaging and surgical planning in the patients with craniosynostosis, as well as a useful follow-up imaging study during observation or after surgery. |
| Key Words:
Craniosynostosis; Three-dimensional CT reconstruction; Shaded-surface display |
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