A Cross-sectional Radiological Study of Ossification at Lower End of Ulna and Tip of Olecranon among Children and Adolescents coming to Forensic Medicine Department, Medical College, Kolkata, for Age Estimation
Keywords:Age estimation, Radiological study, ossification, children, adolescent.
Objectives: To study radiologically the ossification status of lower end of ulna and tip of olecranon and
compare with Galstaun chart and other standard charts.
Material and Methods: A record based cross sectional study was performed in the department of Forensic
and State Medicine, Medical College Kolkata for one month, on children and adolescent coming to the
department for age estimation over a span of past one year. Their chronological age was noted from birth
certificates. The X-Ray plates was looked for appearance and fusion of lower end of ulna and tip of olecranon
and compared with Galstaun chart and other standard charts.
Results: The records of 199 subjects (Male-142. Female-57) were examined, who belong to the age group
of 7yrs to 19yrs. After observing the appearance and fusion from X-Ray plates and comparing them with
Galstaun chart it was seen that maximum deviation from mean age occurred in appearance of lower end of
ulna. Appearance of tip of olecranon also had a wide deviation. Males were found to have more variations
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