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Growth in Sotos syndrome

J C Agwu1, N J Shaw, J Kirk

  • 1City Hospital NHS Trust, Dudley Road, Birmingham B18 7QH, UK.

Archives of Disease in Childhood
|March 23, 1999
PubMed

Insights

Patients with Sotos syndrome are tall from birth through childhood. However, most achieve normal adult height, indicating no need for growth-limiting interventions.

Area of Science:

  • Pediatric Endocrinology
  • Genetics
  • Human Growth and Development

Background:

  • Sotos syndrome is characterized by overgrowth, but final adult height and pubertal development are not well-documented.
  • Existing research provides limited data on the long-term growth trajectory and final stature in individuals with Sotos syndrome.

Purpose of the Study:

  • To investigate the final achieved height and pubertal characteristics in a cohort of patients with Sotos syndrome.
  • To determine if interventions are necessary to manage adult height in individuals diagnosed with Sotos syndrome.

Main Methods:

  • Retrospective collection of growth data from 40 patients (20 female, 20 male) with Sotos syndrome, aged 2 to 31 years.
  • Analysis of growth patterns from birth through adulthood, including limb length contribution to stature.
  • Evaluation of bone age and menarche onset in relation to final height.

Main Results:

  • Patients with Sotos syndrome exhibit excessive height during infancy and childhood, with disproportionately long limbs.
  • Females with Sotos syndrome achieved a mean final height of 172.9 cm (SD 5.7), within the typical population range.
  • Males with Sotos syndrome reached a mean final height of 184.3 cm (SD 6.0), also generally within normal limits, though with more exceptions than in females.

Conclusions:

  • Despite early overgrowth, most individuals with Sotos syndrome attain a final adult height within the normal population range.
  • The combination of advanced bone age and early menarche contributes to the normalization of final height in many patients.
  • Routine intervention to limit adult height is likely unnecessary for the majority of patients diagnosed with Sotos syndrome.

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