Noonan syndrome comprises genetically heterogeneous disorders that usually include postnatally reduced growth, distinctive facial dysmorphic features, and congenital heart defects and related disorders show considerable overlapping phenotypes with Noonan syndrome. These disorders are caused by germline mutations in genes that encode components or regulators of the Ras/MAPK pathway, and are called RASopathies.
Category
Congenital malformation
Brite
Human diseases in ICD-11 classification [BR:br08403]
20 Developmental anomalies
Multiple developmental anomalies or syndromes
LD2F Syndromes with multiple structural anomalies, without predominant body system involvement
H00523 Noonan syndrome and related disorders
Pathway-based classification of diseases [BR:br08402]
Signal transduction
nt06526 MAPK signaling
H00523 Noonan syndrome and related disorders