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Sutures of the Skull

Sutures of the Skull

The human skull is composed of several bones that come together to protect the brain and support the structures of the face. The junctions where these bones meet are called sutures.
Sutures are immobile joints between adjacent bones of the skull. The narrow gap between the bones is filled with dense, fibrous connective tissue that unites the bones. The long sutures located between the skull bones are not straight but instead follow irregular, tightly twisting paths. These twisting lines tightly...

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Related Experiment Video

Updated: Dec 9, 2025

Author Spotlight: Development and Evaluation of a Standardized Rat Model for Calvarial Suture-Bony Composite Defects

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Novel Suturectomy Using Absorbable Plates in Early Surgery for Craniosynostosis.

Daisuke Sakahara¹, Keisuke Imai¹, Takeshi Masuoka¹

¹Department of Plastic and Reconstructive Surgery.

The Journal of Craniofacial Surgery

|September 5, 2020

Summary

Early suturectomy with absorbable plates effectively treats severe craniosynostosis in infants. This innovative technique improved cranial shape and avoided secondary surgeries in most patients, offering a less invasive solution.

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Last Updated: Dec 9, 2025

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Area of Science:

Pediatric Neurosurgery
Craniofacial Surgery
Biomaterials in Medicine

Background:

Craniosynostosis requires early intervention, with suturectomy being a common treatment for infants under three months.
Severe cases may not benefit from conventional suturectomy, necessitating alternative approaches.
This study evaluates a novel suturectomy technique using absorbable plates for improved outcomes in young craniosynostosis patients.

Purpose of the Study:

To assess the efficacy of suturectomy combined with absorbable plates in treating severe craniosynostosis in infants.
To evaluate the impact of this technique on cranial shape and the need for secondary surgeries.
To determine the safety and effectiveness of this less invasive approach.

Main Methods:

The study included craniosynostosis patients under three months with severe intracranial hypertension or deformities (scaphocephaly, plagiocephaly, trigonocephaly).
Patients underwent suturectomy with absorbable plates covering the bone edges.
Outcomes were assessed using 3D CT scans, photographs, cephalic index, and distance from the dorsum sellae to the forehead.

Main Results:

Twenty-one of twenty-five patients were evaluated, with diverse preoperative cranial shapes including brachycephaly, scaphocephaly, and plagiocephaly.
Eighteen patients showed improved cephalic index and cranial definition after surgery.
Secondary surgeries were avoided in four syndromic and all twelve nonsyndromic patients, with no major complications reported.

Conclusions:

Absorbable plates effectively manage bone formation, preventing premature fusion and promoting proper bone growth post-absorption.
This suturectomy technique with absorbable plates successfully prevented secondary surgeries in syndromic and nonsyndromic craniosynostosis patients.
The approach is a less invasive and highly effective treatment option for craniosynostosis, particularly in severe cases.