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Noonan syndrome-like disorder with juvenile myelomonocytic leukemia

Disease definition

Noonan syndrome-like disorder with juvenile myelomonocytic leukemia is a rare, genetic, polymalformative syndrome with increased risk of developing cancer characterized by a Noonan-like phenotype, including typical dysmorphic facial features (i.e. high forehead, hypertelorism, downslanting palpebral fissures, ptosis, low-set ears, prominent philtrum and short neck with or without pterygium colli), thoracic abnormalities, congenital heart defects and short stature, associated with a very frequent ocurrence of juvenile myelomonocytic leukemia. Developmental delay, ectodermal anomalies, joint laxity, and hypotonia may also be associated.


Classification level: Disorder
  • Synonym(s):
    • CBL syndrome
    • Noonan syndrome-like disorder with JMML
  • Prevalence: -
  • Inheritance: Autosomal dominant 
  • Age of onset: Neonatal, Infancy
  • ICD-10: Q87.1
  • OMIM: 613563
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -

Additional information

Further information on this disease

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