How much bone age delay is considered significant?

Bone age delay of 2 or more years from chronological age suggests pathologic cause and warrants investigation including thyroid function, IGF-1, IGFBP-3, and GH stimulation testing. Delay of 1–2 years with short stature, family history, and normal growth velocity suggests constitutional growth delay.

Can bone age predict adult height?

Bone age-based adult height prediction using Bayley-Pinneau tables has 70–80% accuracy within a 5 cm range for a single assessment. Serial measurements with growth velocity are more accurate than single-point bone age for height prediction.

Bone Age Greulich-Pyle Delay Significance

Interpret bone age delay from Greulich-Pyle atlas against chronological age to differentiate constitutional growth delay from pathologic causes including hypothyroidism and growth hormone deficiency.

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Bone Age Greulich-Pyle Delay Significance

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Frequently Asked Questions

How much bone age delay is considered significant?

Can bone age predict adult height?