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Diameters of normal thoracic vascular structures in pediatric patients

Hatice Ozturkmen Akay1, Cihan Akgul Ozmen, Aylin Hasanefendioğlu Bayrak

  • 1Department of Radiology, Medical School, University of Dicle, 21280, Diyarbakir, Turkey. hozturkmen@gmail.com

Surgical and Radiologic Anatomy : SRA
|June 26, 2009
PubMed

Insights

This study establishes normal thoracic vascular diameters in children using chest CT scans. Consistent vertebral to vessel ratios aid in evaluating pediatric chest CT findings.

Area of Science:

  • Radiology
  • Pediatric Imaging
  • Cardiovascular Imaging

Background:

  • Accurate measurement of thoracic vascular diameters is crucial in pediatric imaging.
  • Establishing reference ranges and consistent ratios aids in the interpretation of chest CT scans.

Purpose of the Study:

  • To determine normal ranges for aortic and pulmonary artery diameters in pediatric patients via chest CT.
  • To identify a constant ratio between thoracic vascular structures and an internal reference point.

Main Methods:

  • Retrospective analysis of contrast-enhanced chest CT scans from 133 pediatric patients.
  • Measurement of ascending/descending aorta, main/right/left pulmonary arteries, and thoracic vertebra diameters.
  • Calculation of mean ratios of thoracic vascular diameters to vertebral diameter.

Main Results:

  • A positive correlation was observed between patient age and vascular diameters.
  • Mean vascular to vertebral diameter ratios were consistent across patients.
  • Ratios ranged from 1.1 for the ascending aorta to 0.70 for pulmonary arteries.

Conclusions:

  • Thoracic vascular structure diameters increase with age in pediatric patients.
  • Consistent vertebral to vessel ratios provide a useful tool for evaluating pediatric chest CT.
  • These ratios can aid in identifying abnormalities in thoracic vascular structures.
Abstract

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