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Related Concept Videos

Sutures of the Skull01:22

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...
Cranial Bones: Superior and Posterior View01:14

Cranial Bones: Superior and Posterior View

The superior view of the cranium shows the frontal and paired parietal bones.
The frontal bone is the single bone that forms the forehead. At its anterior midline, between the eyebrows, there is a slight depression called the glabella. The frontal bone also forms the supraorbital margin of the orbit. Near the middle of this margin is the supraorbital foramen, the opening that provides passage for a sensory nerve to the forehead. The frontal bone is thickened just above each supraorbital margin,...

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Accessing the Porcine Brain via High-Speed Pneumatic Drill Craniectomy
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Parasagittal suture after strip craniectomy.

Christopher R Kinsella1, James J Cray, Gregory M Cooper

  • 1Divisions of Pediatric Plastic Surgery, Children's Hospital of Pittsburgh of UPMC, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.

The Journal of Craniofacial Surgery
|December 29, 2010
PubMed
Summary

Suture reformation after strip craniectomy for nonsyndromic sagittal synostosis is poorly understood. This study reviews a case and literature, highlighting the inconsistent and underreported nature of this phenomenon.

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Area of Science:

  • Craniofacial surgery
  • Pediatric neurosurgery
  • Developmental biology

Background:

  • Nonsyndromic sagittal synostosis requires surgical correction, often via strip craniectomy.
  • Postoperative suture reformation at the defect site is an inconsistent and underreported complication.
  • Existing theories do not fully explain the observed phenomena of reformed sutures, ectopic sutures, or complete ossification.

Observation:

  • A 7-year-old boy developed a parasagittal suture at the margin of a defect created by strip craniectomy.
  • Literature review and clinical experience of prior authors were analyzed.
  • The case highlights the variability in cranial defect healing after surgery.

Findings:

  • The exact pathogenesis of suture reformation remains unclear.
  • The role of biomechanical forces in suture formation is not well understood.
  • Previous reports provide inconclusive evidence regarding the primary cause of suture reformation.

Implications:

  • Further research is needed to elucidate the mechanisms behind postoperative suture reformation.
  • Understanding these mechanisms may improve surgical techniques and patient outcomes.
  • The study underscores the need for a unified explanation for suture reformation or the acceptance of multiple causative factors.