Prader-Willi syndrome

Children with Prader-Willi syndrome share a distinctive constellation of primary features:

  • poor muscle tone (hypotonia)
  • mental retardation
  • small gonads and sexual immturity
  • morbid obesity
Additional problems common with Prader-Willi syndrome include
  • small teeth
  • tooth enamel defects
  • high-arched palate
  • small hands and feet
  • scoliosis
  • compulsive eating
  • compulsive skin-picking
The majority of affected children are found to have specific chromosomal abnormalities on chromosome 15. They are all prone to multiple medical problems, especially dental caries, diabetes, high blood pressure, osteoporosis, kidney disease, and obesity-related respiratory impairment (pickwickian syndrome).

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