Key result
Fetal echocardiographic scanning identified progressive hypertrophic cardiomyopathy, suggesting myocardial abnormalities should be considered prenatal features of Noonan's syndrome.
Case Report (n=1)
Functional or morphological evidence of myocardial abnormality, such as progressive hypertrophic cardiomyopathy, should be considered a prenatal feature of Noonan's syndrome alongside cystic hygroma.
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May support prenatal suspicion of Noonan's syndrome; extends fetal phenotype but remains hypothesis-generating from Level 5 evidence.
Sonesson et al. (1992) conducted a case report in Noonan's syndrome and hypertrophic cardiomyopathy (n=1). Fetal echocardiographic scanning was evaluated on Diagnosis of progressive hypertrophic cardiomyopathy. Fetal echocardiographic scanning identified progressive hypertrophic cardiomyopathy, suggesting myocardial abnormalities should be considered prenatal features of Noonan's syndrome.
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