Simplified Bone Age Method May Aid Review - Report - MDSpire

Simplified Bone Age Method May Aid Review

Single-bone approach showed close agreement with Greulich-Pyle assessments in adolescents, particularly among experienced raters

  • By

  • Andrea Surnit

  • July 2, 2026

  • 3 min

Share

Clinical Report: Simplified Bone Age Method May Aid Review

Overview

A simplified method for assessing adolescent bone age demonstrated strong agreement with the Greulich-Pyle method, with 91% of assessments falling within 1 year of GP estimates.

Background

Bone age assessment is crucial in pediatric endocrinology for evaluating growth disorders. Traditional methods can be complex and time-consuming, necessitating the development of simplified approaches.

Data Highlights

GroupMean Difference (Years)Within ±1 Year (%)
Boys+0.0292%
Girls−0.1491%
Inexperienced Raters (Boys)N/A85%
Inexperienced Raters (Girls)N/A77%

Key Findings

  • The simplified method showed a mean difference of +0.02 years in boys and 0.14 years in girls compared to the GP method.
  • Approximately 91% of assessments by experienced raters were within 1 year of GP estimates.
  • Repeatability of the simplified method was slightly lower than that of the GP method but remained clinically acceptable.
  • Inexperienced raters had lower agreement, with 85% of male and 77% of female assessments within 1 year of GP estimates.

Clinical Implications

The simplified bone age assessment method should not replace detailed GP assessments.

Conclusion

The simplified method aligns closely with established standards.

Related Resources & Content

  1. Limony Y., et al., Clinical Endocrinology, 2023 -- Simplified Bone Age Method May Aid Review
  2. The Journal of Clinical Endocrinology & Metabolism — Development of an Enhanced Model for Bone Age Evaluation in Chinese Children Aged 3 to 18 Years
  3. conexiant — Combined Clavicle Model May Improve Age Estimates
  4. European Radiology — A Systematic Review of Knee Magnetic Resonance Imaging for Estimating Chronological Age
  5. European Radiology — Ultrasound-Based Tanner-Whitehouse Skeletal Maturity Assessment for Bone Age Evaluation
  6. Development of an Enhanced Model for Bone Age Evaluation in Chinese Children Aged 3 to 18 Years
  7. Combined Clavicle Model May Improve Age Estimates
  8. A Systematic Review of Knee Magnetic Resonance Imaging for Estimating Chronological Age
  9. Ultrasound-Based Tanner-Whitehouse Skeletal Maturity Assessment for Bone Age Evaluation
  10. Bone age assessment: comparative analysis of Greulich-Pyle and Tanner-Whitehouse 3 by pediatric radiologists and endocrinologists
  11. Central Precocious Puberty | Endocrine Society
  12. Artificial Intelligence-Based Models for Automated Bone Age Assessment from Posteroanterior Wrist X-Rays: A Systematic Review | MDPI

Original Source(s)

Simplified Bone Age Method May Aid Review

  • by Andrea Surnit

  • July 2, 2026

Related Content

No Short-Term Brain Changes in Youth Soccer

Researchers tracked cognitive, behavioral, imaging, and biomarker outcomes in 129 adolescent athletes across one season.

Combined Clavicle Model May Improve Age Estimates

Combined approach shows higher sensitivity than traditional thresholds for classifying legal adulthood.

Rehab May Improve Function in AS

Supervised rehabilitation and exercise-based therapies may improve function, pain, and bone health in ankylosing spondylitis, according to a new review.