text_1: 6 and 11/12-year-old boy referred from a family physician with adrenarche.  Wondering about precocious puberty.  Did a bone age which was consistent with 8 years old, so I (study physician) said that's significant.  But when I called the mother she said, well that's only one year, is that significant?  So my question was, "What is a significant bone age discrepancy?"
text_2: What is a significant bone age discrepancy?