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Related Experiment Videos

Towards computer assisted evaluation of plagiocephaly

H A Donegan1, D C O'Flaherty, W G Kernohan

  • 1Department of Mathematics, Faculty of Informatics, University of Ulster, Jordanstown, UK.

Medical Informatics = Medecine Et Informatique
|April 1, 1996
PubMed
Summary

Plagiocephaly, a common skull asymmetry in neonates, can now be analytically evaluated using a novel photography-based measurement methodology. This method quantizes cranial shape to better understand this postural deformity.

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Area of Science:

  • Medical Imaging
  • Pediatric Deformities
  • Biomechanical Analysis

Background:

  • Plagiocephaly is a frequent skull asymmetry in neonates, often appearing as a unilateral compressive deformity.
  • While typically benign, plagiocephaly can indicate underlying conditions like joint dysplasia.
  • Existing intuitive measurements lack rigorous analytical evaluation.

Purpose of the Study:

  • To introduce and describe an analytical measurement methodology for plagiocephaly.
  • To provide a quantitative approach for assessing cranial asymmetry in neonates.

Main Methods:

  • Utilized black and white photography processed via a flat-bed scanner and personal computer.
  • Transformed photographic data into tagged image file format (TIFF) at 256 grey scale.

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  • Developed an algorithm to compute the cranial profile centroid and map radials for signal display.

    • Main Results:

    • Successfully converted photographic data into a digital format suitable for analysis.
    • Implemented an algorithm to quantify cranial shape by analyzing radial distances from the centroid.
    • Generated a signal display representing plagiocephaly based on computed cranial circumference.

    Conclusions:

    • The described photography-based methodology offers an analytical approach to measuring plagiocephaly.
    • This quantitative method provides a more objective assessment of cranial asymmetry in neonates.
    • Further research can explore clinical applications and validation of this measurement technique.