The History of Noonan Syndrome

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Early in her career, Jacqueline Noonan, a pediatric cardiologist, recognized that a number of children with valvular pulmonary stenosis had similar facial features. Dr. Noonan reported the clinical characteristics of this condition including short stature, hypertelorism, ptosis, mild mental retardation, undescended testes, and skeletal malformations. Further characterization of Noonan Syndrome led to the development of clinical criteria for the diagnosis of the condition. Identification of the first genetic cause of Noonan Syndrome, mutation of ptpn11 was reported in 2001. Multiple subsequent genes have been identified as causes of Noonan Syndrome and the related Rasopathies.

Original languageEnglish (US)
Pages (from-to)424-427
Number of pages4
JournalPediatric endocrinology reviews : PER
Issue numberSuppl 2
StatePublished - May 1 2019


  • History
  • Noonan Syndrome
  • PTPN11

PubMed: MeSH publication types

  • Journal Article


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