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The normal evolution of the cranium in three dimensions
J W Meulstee1, G A de Jong2, W A Borstlap3
1Radboudumc 3D Lab, Radboud University Medical Centre, Nijmegen, The Netherlands; Department of Oral and Maxillofacial Surgery, Radboud University Medical Centre, Nijmegen, The Netherlands.
Insights
Understanding infant cranial shape development is crucial for monitoring growth and detecting abnormalities. This study reveals non-uniform cranial growth patterns in infants using advanced 3D imaging techniques.
Area of Science:
- Pediatric Radiology
- Craniofacial Development
- Medical Imaging
Background:
- Accurate monitoring of infant cranial development is vital for identifying abnormalities and managing conditions like craniosynostosis.
- Normative data on cranial shape evolution is needed for clinical assessment and surgical planning.
Purpose of the Study:
- To analyze the growth patterns of normal infant cranial shape during the first 54 months of life.
- To establish normative cranial evolution data using advanced 3D imaging techniques.
Main Methods:
- Utilized 3D stereophotogrammetry and 3D computed tomography (CT) on a dataset of infant cranial scans (n=183) and photographs (n=199).
- Collected 3D/2D measurements, total volumes, intracranial volumes, and suture lengths.
- Generated 3D growth maps and animations to visualize cranial development over time.
Main Results:
- A total of 130 3D photographs and 170 CT scans (hard and soft tissue) were analyzed.
- 3D growth maps demonstrated non-uniform cranial growth patterns.
- Normative data on cranial dimensions and volumes were established.
Conclusions:
- The study provides essential normative data for tracking healthy cranial development in infants.
- Findings aid in the early detection, diagnosis, and long-term management of abnormal skull shapes and craniosynostosis.
Abstract:
Insight into the growth and development of the normal newborn cranial shape is essential to monitor cranial development, to detect and diagnose abnormal skull shapes, and for the long-term follow-up of craniosynostosis surgery. The aim of this study was to analyse the growth pattern of the cranial shape of infants during the first years of life using 3D stereophotogrammetry and 3D computed tomography (CT) with advanced 3D evaluation techniques. A large set of 3D photographs (n=199) and CT scans (n=183), taken between ages 0 and 54 months, was collected. Cranial shapes with artefacts and asymmetries were removed. Total volumes and intracranial volumes were obtained, as well as 3D and 2D measurements, including the cranial width, cranial length, cranial index, and suture lengths. Growth maps were created for all modalities to indicate 3D growth over time. For the final analysis, a total of 130 3D photographs, 94 hard tissue CT scans, and 76 soft tissue CT scans were used. 3D and 2D measures, volumes, growth maps, and growth animations were obtained. A non-uniform growth was revealed by the 3D growth maps. This study addresses the need for normative cranial evolution data to monitor healthy cranial development and for detection, follow-up, and treatment planning in craniosynostosis.
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