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Setting up an automated system for evaluation of bone age
1Department of Orthodontics, Tohoku University School of Dentistry, Sendai, Japan.
Endocrine Journal
|June 11, 2002
Summary
A new computer system automatically evaluates skeletal maturation in Japanese children, overcoming limitations of the Tanner-Whitehouse 2 method. This automated system shows 80-90% accuracy in assessing bone age, aiding pediatric assessments.
Area of Science:
- Pediatric Endocrinology
- Radiology
- Biomedical Engineering
Background:
- The Tanner-Whitehouse 2 method is widely used for skeletal maturation assessment but has limitations.
- Accurate skeletal age evaluation is crucial for diagnosing growth disorders and determining treatment timing.
Purpose of the Study:
- To develop and validate a novel, automated system for evaluating skeletal maturation in Japanese children using a personal computer.
- To address the inherent weaknesses of the conventional Tanner-Whitehouse 2 method.
Main Methods:
- Developed a computer-based system for automated skeletal maturation evaluation.
- Utilized multiple regression analysis with epiphyseal and metaphyseal parameters.
- Analyzed hand radiographs from 318 healthy Japanese boys and 199 girls (ages 2-15).
Main Results:
- The automated system achieved 80-90% success rate in evaluating each phalanx.
- A significant correlation was found between chronological age and the epiphyseal width to metaphyseal width ratio.
- The system demonstrated utility in assessing skeletal maturation.
Conclusions:
- The developed automated system provides a reliable and efficient method for evaluating skeletal maturation in Japanese children.
- This technology offers a potential improvement over traditional manual assessment methods.
- Further research can explore its application in diverse pediatric populations.