Presentation
Precocious puberty, premature pubarche and acne. Evaluate for bone age advancement.
Patient Data
The standard deviation for the patient's age is 10.5 months. 2 standard deviations equal 21 months.
Comparing with known male standards, the bone age is between 15 to 16 years. All the growth plates of the phalanges are fused. The growth plates of the distal radius and ulna are patent.
The bone age is much beyond 2 standard deviations of the chronological age, and hence much advanced.
The bone density is normal. No discrete osseous anomaly.
Case Discussion
Assessing skeletal maturity with bone age studies are essential for diagnosing growth-related disorders 1. Our case is an excellent example for advanced skeletal age in a pre-teen boy. Treatments for such disorders is done by endocrinologists. Pediatricians have utilized bone maturity assessments for over 70 years due its reliability 2.
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