Abstract
Background
The applicability today of Greulich and Pyle's Radiographic Atlas of Skeletal Development of the Hand and Wrist (G&P) is uncertain.
Objective
The purpose of this study was to determine whether G&P is accurate in Israeli children today.
Materials and methods
Left-hand radiographs of 679 children (375 boys) ranging in age from 1 day to 18 years old were obtained for trauma in the period 2001–2009 and were evaluated for bone age according to G&P. Individual bone age was plotted against calendar age and smoothed to obtain the association between calendar age and bone age. Any difference was assessed with Wilcoxon signed-rank test.
Results
In girls, there was no significant difference between bone age and calendar age (P = 0.188). G&P underestimated bone age in boys <15 years old (median difference, 2.3 months; P < 0.0001) and overestimated bone age in boys ≥15 years old (median difference, 2.9 months; P = 0.0043). The largest median difference (5.4 months; P = 0.0003) was seen in boys 6–10 years old.
Conclusion
The differences between calendar age and bone age according to G&P were relatively small compared with normal variance and are unlikely to be of clinical importance.
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Soudack, M., Ben-Shlush, A., Jacobson, J. et al. Bone age in the 21st century: is Greulich and Pyle’s atlas accurate for Israeli children?. Pediatr Radiol 42, 343–348 (2012). https://doi.org/10.1007/s00247-011-2302-1
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DOI: https://doi.org/10.1007/s00247-011-2302-1