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Sutures of the Skull01:22

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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.
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Normal sagittal and coronal suture widths by using CT imaging.

L A Mitchell1, C A Kitley, T L Armitage

  • 1Department of Radiology, Tripler Army Medical Center, Honolulu, Hawaii 96589, USA. lex.a.mitchell@us.army.mil

AJNR. American Journal of Neuroradiology
|September 17, 2011
PubMed
Summary
This summary is machine-generated.

This study provides crucial normative data for pediatric cranial suture widths in infants up to one year old using CT scans. These findings aid in diagnosing suture diastasis in infants.

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Area of Science:

  • Pediatric Radiology
  • Craniofacial Anatomy
  • Medical Imaging

Background:

  • Abnormal pediatric cranial suture diastasis requires accurate normative data for diagnosis.
  • Existing CT measurement data for infant suture widths is limited.
  • This study addresses the need for comprehensive normative data.

Purpose of the Study:

  • To establish normal mean values for sagittal and coronal suture widths in infants.
  • To utilize CT measurements for assessing pediatric cranial sutures.
  • To provide a reference for diagnosing suture diastasis in the first year of life.

Main Methods:

  • Retrospective analysis of 483 infant patients (1 day to 395 days old).
  • Evaluation of sagittal and bilateral coronal suture widths using CT scans.
  • Statistical analysis including ANOVA to determine age-related changes.

Main Results:

  • Initial average widths at birth: sagittal 5.0 mm, coronal 2.5 mm.
  • Significant narrowing within the first month: sagittal to 2.4 mm, coronal to 1.3 mm.
  • Gradual narrowing observed between 1 and 12 months, with coronal sutures reducing to 0.8 mm.

Conclusions:

  • CT-derived normative values for infant suture widths are established.
  • These values can assist in evaluating infant calvaria for suture diastasis.
  • Provides a reliable reference for pediatricians and radiologists.