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[Panhypopituitarism in one identical twin: the effect of hormone replacement]

Harrij Del Canho1, Janiëlle van Alfen-van der Velden, Riwka del Canho

  • 1Medisch Spectrum Twente, afd. Kindergeneeskunde, Enschede, the Netherlands.

Nederlands Tijdschrift Voor Geneeskunde
|October 27, 2011
PubMed

Insights

Panhypopituitarism in childhood is rare, especially in identical twins. Hormone replacement therapy can effectively manage growth delays and allow catch-up growth in affected children.

Area of Science:

  • Pediatric Endocrinology
  • Genetics
  • Hormone Therapy

Background:

  • Childhood panhypopituitarism is a rare endocrine disorder.
  • A unique case involves a boy with an identical twin brother, where only one twin is affected.
  • Studying this scenario offers insights into hormone deficiency consequences and treatment efficacy.

Observation:

  • A 6-year-old boy presented with short stature, increased abdominal fat, and a smaller penis compared to his healthy identical twin.
  • Diagnostic tests revealed central hypothyroidism, hypocortisolism, and growth hormone deficiency.
  • Hormone replacement initiated at age 6 improved growth rate.

Findings:

  • Testosterone therapy was introduced at age 15 due to lack of puberty and continued slow growth.
  • The patient ultimately achieved a height exceeding that of his twin brother.
  • Early childhood growth (first year) was not negatively impacted, but significant delays occurred thereafter.

Implications:

  • Panhypopituitarism requires timely and comprehensive hormone replacement for optimal outcomes.
  • Effective hormone therapy can lead to complete catch-up growth, even in severe pediatric cases.
  • This case highlights the critical role of endocrine management in childhood development and achieving adult height potential.
Abstract

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