Aiming to validate the use of bone age determined by ultrasound (BAUS) in Brazilian children, normal control students will be studied. X-Ray bone age (RXBA) and BAUS will be determined in 500 children and adolescents of both genders, with chronological age varying from 6-16 years. Concordance analysis and the correlation between both BA determination methods will be performed.
Bone age is a valuable method to recognize the maturation status of development and growth. Classical analyses is performed by using the Greulich and Pyle X-Ray measurement. Such analyses have some restrictions such as intra- and inter observer variability, and variable synchronicity of bone maturation. Bone age determined by ultrasound (BAUS) has been indicated as a fast and reproducible method, allowing decimal BA determination and avoiding the need for X-Ray. Our aim is to validate the BAUS method in Brazilian normal controls. School students of both genders, with age varying from 6 to 16 years will be included.
Study Type
OBSERVATIONAL
Enrollment
500
Santa Casa SP - School of Medical Sciences
São Paulo, São Paulo, Brazil
RECRUITINGbone age determination by ultrasound (BAUS)
Determination of bone age in years by employing a ultrasound device
Time frame: chronological ages between 6 and 16 years of age
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