Cited by 14Craniofacial Disorders and TreatmentsForensic Anthropology and Bioarchaeology StudiesMorphological variations and asymmetry

Orbital shape in intentional skull deformations and adult sagittal craniosynostoses

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Sandy, Ronak, Hennocq, Quentin, Nysjö, Johan, Giran, Guillaume, Friess, Martin, Khonsari, Roman Hossein·2018·Journal of Anatomy

Abstract

Intentional cranial deformations are the result of external mechanical forces exerted on the skull vault that modify the morphology of various craniofacial structures such as the skull base, the orbits and the zygoma. In this controlled study, we investigated the 3D shape of the orbital inner mould and the orbital volume in various types of intentional deformations and in adult non-operated scaphocephaly - the most common type of craniosynostosis - using dedicated morphometric methods. CT scans were performed on 32 adult skulls with intentional deformations, 21 adult skull with scaphocephaly and 17 non-deformed adult skulls from the collections of the Muséum national d'Histoire naturelle in Paris, France. The intentional deformations group included six skulls with Toulouse deformations, eight skulls with circumferential deformations and 18 skulls with antero-posterior deformations. Mean shape models were generated based on a semi-automatic segmentation technique. Orbits were then aligned and compared qualitatively and quantitatively using colour-coded distance maps and by computing the mean absolute distance, the Hausdorff distance, and the Dice similarity coefficient. Orbital symmetry was assessed after mirroring, superimposition and Dice similarity coefficient computation. We showed that orbital shapes were significantly and symmetrically modified in intentional deformations and scaphocephaly compared with non-deformed control skulls. Antero-posterior and circumferential deformations demonstrated a similar and severe orbital deformation pattern resulting in significant smaller orbital volumes. Scaphocephaly and Toulouse deformations had similar deformation patterns but had no effect on orbital volumes. This study showed that intentional deformations and scaphocephaly significantly interact with orbital growth. Our approach was nevertheless not sufficient to identify specific modifications caused by the different types of skull deformations or by scaphocephaly.

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  • ACD can increase or decrease the covariation between different cranial regions, modifying the pattern of shape/size variation of other bones like the zygomatic bone, the shape and volume of craniofacial cavities, and the basicranial, and the relative position of the mandibular fossae.

    “This can probably increase or decrease the covariation between the different cranial regions, modifying the pattern of shape/size variation of other bones like the zygomatic bone [89], the shape and volume of craniofacial cavities [90,91], and the basicranial, and the relative position of the mandibular fossae [92].”

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Research works printed but not linked: 4

  1. Besl PJ, McKay ND (1992) A method for registration of 3D shapes. IEEE Trans Pattern Anal Mach Intell 14, 239–256. [Google Scholar]
  2. Dembo A, Imbelloni J (1938) Deformaciones Intencionales del Cuerpo Humano de Carácter Étnico. Buenos Aires: Anesi. [Google Scholar]
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Authors
Sandy, R., Hennocq, Q., Nysjö, J., Giran, G., Friess, M., & Khonsari, R. H.
Affiliations
  • Aalborg University Hospital (DK)
  • Hôpital Necker-Enfants Malades (FR)
  • Uppsala University (SE)
  • Centre Hospitalier Universitaire de Nantes (FR)
  • Centre National de la Recherche Scientifique (FR)
Corresponding author
Khonsari, Roman Hossein
Venue
Journal of Anatomy
Publisher
Wiley
Published
2018-06-21
Volume
233
Issue
3
Pages
302-310
ISSN
  • 0021-8782 (ISSN-L)
  • 1469-7580
OpenAlex
W2809355238
Cited by
14
References
31
Citations by year
2025: 2 · 2024: 4 · 2023: 1 · 2022: 1 · 2021: 2 · 2020: 2 · 2019: 1 · 2018: 1
FWCI
0.92
Type
journal article
Language
en
Open access
Locations
  • Journal of Anatomy (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
  • VBN Forskningsportal (Aalborg Universitet) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Craniofacial Disorders and Treatments
  • Social Sciences › Arts and Humanities › Archeology › Forensic Anthropology and Bioarchaeology Studies
  • Physical Sciences › Mathematics › Geometry and Topology › Morphological variations and asymmetry
Keywords
scaphocephaly, sagittal craniosynostosis, orbital shape, orbital volume, orbital symmetry, circumferential deformation, orbital growth, 3D shape analysis

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