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Year : 2014  |  Volume : 2  |  Issue : 1  |  Page : 22-25

Bilateral branch pulmonary artery stenosis and Mitral valve prolapse in a patient with Noonan syndrome: A case report

Department of Cardiology, Madras Medical College, Chennai, Tamil Nadu, India

Correspondence Address:
Meenakshi Kadiyala
Department of Cardiology, Madras Medical College, Chennai, Tamil Nadu - 600 003
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2321-449x.127977

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Rasopathy syndromes are a class of phenotypically similar, but genetically distinct multiple anomaly syndromes caused by germ line mutations in genes that encode protein components of the Ras/mitogen activated protein kinase (MAPK) pathway. Noonan syndrome, cardiofaciocutaneous syndrome and Costello syndrome are part of this group of developmental syndromes and have similar cardiac abnormalities. A 19-year-old male presented with complaints of exertional breathlessness class I for 6 months. Clinical examination revealed characteristic facial features, skeletal abnormalities, growth and neurocognitive problems reported in patients with Noonan syndrome. There was evidence of severe pulmonary hypertension. Trans-thoracic echocardiography revealed right atrial and right ventricular enlargement, severe pulmonary hypertension, no intra cardiac shunt, prolapse of anterior mitral leaflet with mild mitral regurgitation. CT pulmonary angiogram revealed bilateral branch pulmonary artery stenosis. A final diagnosis of Noonan syndrome was made.

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