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Hypothalamic hamartomas and precocious puberty

M P Colaco1, M P Desai, C S Choksi

  • 1Division of Pediatric Endocrinology, Bai Jerbai Wadia Hospital for Children, Bombay.

Indian Journal of Pediatrics
|May 1, 1993
PubMed
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Hypothalamic hamartomas were identified in ten children experiencing true precocious puberty. This condition presented with early onset, rapid progression, advanced bone age, and elevated hormone levels.

Area of Science:

  • Pediatric Endocrinology
  • Pediatric Neurology
  • Neuroendocrinology

Background:

  • True precocious puberty is characterized by early onset of secondary sexual characteristics.
  • Hypothalamic hamartomas are rare congenital tumors that can affect hormonal regulation.
  • Early diagnosis and understanding of the underlying causes are crucial for effective management.

Purpose of the Study:

  • To investigate the association between hypothalamic hamartomas and true precocious puberty in children.
  • To describe the clinical and hormonal characteristics of children with this condition.

Main Methods:

  • Retrospective analysis of ten children diagnosed with true precocious puberty.
  • Brain imaging (MRI) to identify hypothalamic hamartomas.

Related Experiment Videos

  • Hormonal assays to measure gonadotropin and gonadal hormone levels.
  • Assessment of growth velocity and bone age.

    • Main Results:

    • All ten children had confirmed hypothalamic hamartomas on brain imaging.
    • Puberty onset ranged from weeks to three years of age, with rapid progression.
    • Accelerated growth velocity and advanced bone age were observed in all patients.
    • Elevated gonadotropin and gonadal hormone levels confirmed central precocious puberty.
    • Six children exhibited associated developmental delay or hyperactivity.

    Conclusions:

    • Hypothalamic hamartomas are a significant finding in children with true precocious puberty.
    • The presence of hypothalamic hamartomas is associated with very early and rapid pubertal development.
    • Associated neurodevelopmental issues may coexist in these patients, warranting comprehensive evaluation.