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Boy with central precocious puberty probably due to a peripheral cause

Pranab Kumar Sahana1, Krishna Shankar Gopal Sankar1, Nilanjan Sengupta1

  • 1Department of Endocrinology, Nil Ratan Sircar Medical College, Kolkata, West Bengal, India.

BMJ Case Reports
|June 4, 2016
PubMed

Insights

This case report details a rare instance of central precocious puberty (CPP) in a young boy, potentially caused by congenital adrenal hyperplasia (CAH). Early diagnosis and management are crucial for such rare pediatric endocrine disorders.

Area of Science:

  • Pediatric Endocrinology
  • Reproductive Medicine
  • Genetics and Genomics

Background:

  • Central precocious puberty (CPP) involves early activation of the hypothalamic-pituitary-gonadal axis.
  • Congenital adrenal hyperplasia (CAH) is a group of genetic disorders affecting the adrenal glands, often leading to hormonal imbalances.
  • The co-occurrence of CPP and CAH in boys is exceptionally rare.

Observation:

  • A 6.5-year-old Indian boy presented with accelerated phallic growth since age 2.
  • Physical examination revealed a significantly enlarged penis, advanced pubic hair development (Tanner stage 3), and a bone age of 12 years.
  • Hormonal evaluation confirmed pubertal levels of testosterone and gonadotropins, indicative of CPP.

Findings:

  • The hormonal profile incidentally suggested congenital adrenal hyperplasia (CAH).
  • The case presents a rare association of central precocious puberty (CPP) likely secondary to congenital adrenal hyperplasia (CAH) in a male child.
  • This highlights the importance of comprehensive hormonal assessment in cases of precocious puberty.

Implications:

  • This case underscores the need to consider CAH in the differential diagnosis of CPP in boys, even when rare.
  • Early identification and management of CPP and CAH are vital for optimal physical and psychological development.
  • Further research may elucidate the specific mechanisms linking CAH to CPP in pediatric populations.

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