NOONAN SYNDROME 3

General Information (adopted from Orphanet):

Synonyms, Signs: NS3
Number of Symptoms 14
OrphanetNr:
OMIM Id: 609942
ICD-10:
UMLs:
MeSH:
MedDRA:
Snomed:

Prevalence, inheritance and age of onset:

Prevalence: No data available.
Inheritance: Autosomal dominant inheritance
[Omim]
Age of onset:

Disease classification (adopted from Orphanet):

Parent Diseases: No data available.

Symptom Information: Sort by abundance 

1
(HPO:0004442) Sagittal craniosynostosis 16 / 7739
2
(HPO:0000316) Hypertelorism 644 / 7739
3
(HPO:0000463) Anteverted nares 305 / 7739
4
(HPO:0002007) Frontal bossing 366 / 7739
5
(HPO:0000465) Webbed neck 81 / 7739
6
(HPO:0003196) Short nose 264 / 7739
7
(HPO:0000369) Low-set ears 372 / 7739
8
(HPO:0001263) Global developmental delay 853 / 7739
9
(HPO:0004322) Short stature 1232 / 7739
10
(HPO:0001642) Pulmonic stenosis 89 / 7739
11
(HPO:0001629) Ventricular septal defect 316 / 7739
12
(HPO:0011995) Atrial septal aneurysm 2 / 7739
13
(HPO:0012209) Juvenile myelomonocytic leukemia 3 / 7739
14
(HPO:0000006) Autosomal dominant inheritance 2518 / 7739

Associated genes:

ClinVar (via SNiPA)

Gene symbol Variation Clinical significance Reference

Additional Information:

Description: (OMIM) Noonan syndrome is an autosomal dominant dysmorphic syndrome characterized primarily by dysmorphic facial features, cardiac abnormalities, and short stature, among other features (summary by Shah et al., 1999).

For a phenotypic description and a discussion of ...

Clinical Description OMIM Schubbert et al. (2006) reported a 3-month-old female with Noonan syndrome without mutation in the PTPN11 gene. She had a severe phenotype and presented with a juvenile myelomonocytic leukemia-like (JMML; 607785) myeloproliferative disorder. Clinical features included atrial septal ...
Molecular genetics OMIM In a girl with severe Noonan syndrome, Schubbert et al. (2006) identified a heterozygous de novo mutation in the KRAS gene (T58I; 190070.0011). Analysis of 124 patients with Noonan syndrome without PTPN11 mutations demonstrated a heterozygous val14-to-ile substitution ...