A 5-year-old girl was referred to outpatient department because of early breast development. This had been present since birth, but is increasing. She was on no medication. On examination, her height was 117 cm (98 th centile).

Breast development was Tanner stage 2. What can be the likely diagnosis and what investigations would be most helpful to confirm diagnosis? *This case is from Docplexus Editorial Team for educative purpose only Source: Core Clinical Cases In Pediatrics The answer is posted in the comment section. click here .