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Quantification of pectus excavatum: Anatomic indices

Joseph A Sujka1, Shawn D St Peter1

  • 1Thomas Holder and Keith Aschraft Endowed Chair, The Children's Mercy Hospital, 2401 Gillham Rd, Kansas City, MO 64108, United States.

Seminars in Pediatric Surgery
|August 7, 2018
PubMed

Insights

Pectus excavatum, a common chest deformity in children, is measured using the Haller Index (HI) and Pectus Correction Index (PCI). This article details how these chest imaging calculations are created, computed, and their limitations.

Area of Science:

  • Pediatric Surgery
  • Medical Imaging
  • Thoracic Surgery

Background:

  • Pectus excavatum is the most frequent congenital chest wall anomaly in pediatric patients.
  • It involves posterior displacement of the sternum and ribs.
  • Accurate severity assessment is crucial for treatment planning.

Purpose of the Study:

  • To elucidate the methodologies behind quantifying pectus excavatum severity.
  • To describe the creation and calculation of key measurement indices.
  • To outline the inherent limitations of current quantification methods.

Main Methods:

  • Review of established imaging techniques for chest wall deformities.
  • Detailed explanation of the Haller Index (HI) calculation using CT scans.
  • Description of the Pectus Correction Index (PCI) as an alternative quantitative measure.

Main Results:

  • The Haller Index (HI) and Pectus Correction Index (PCI) are standard quantitative tools.
  • These indices rely on cross-sectional imaging, primarily CT scans.
  • Standardized calculations allow for objective comparison and definition of pectus excavatum severity.

Conclusions:

  • The Haller Index (HI) and Pectus Correction Index (PCI) provide essential metrics for pectus excavatum.
  • Understanding their creation, calculation, and limitations is vital for accurate diagnosis.
  • Further research may refine these quantitative approaches for improved clinical application.

Keywords:
Haller indexPectus Correction IndexPectus excavatum

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