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Introduction: Skeletal maturity estimation or Bone Age estimation is a common Radiological procedure which is used in determining the skeletal age of children and young adults indicative of their biological maturity which can then be compared with the Chronological Age. Aims and Objectives: The principal objective of this study was to evaluate Ultrasonography as an alternative to Radiography in determining Bone Age based on Greulich-Pyle Atlas method for Children aged below 6 years and to correlate the estimations and results of both the methods using Altman and Bland Statistical Methods for evaluation of agreement. Material and Methods: We determined the bone age of 90 children of both genders by two independent methods involving Ultrasonography and Radiography respectively, of the left hand and compared them for agreement using Altman and Bland Plot. Results: From the results of the Statistical Analysis, we were able to demonstrate that Bone Age estimated using Ultrasonography compared favourably and correlated significantly well (r = .993) with the traditional Radiograph based method. Conclusion: Bone Age Estimation by Ultrasonography is effective in predicting the skeletal age of the patient. The Bone Age estimated by Ultrasonography was in statistically significant concordance and agreement with the age determined from Radiographs using Greulich and Pyle Atlas method.

international journal of contemporary medicine surgery and radiology

Comparison and Correlation between Ultrasonography and Radiography in Skeletal Age Assessment of Children Less than Six Years of Age, based on Greulich &amp; Pyle Atlas Method