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A novel RASA1 mutation causing capillary malformation-arteriovenous malformation (CM-AVM) presenting during pregnancy



A novel RASA1 mutation causing capillary malformation-arteriovenous malformation (CM-AVM) presenting during pregnancy



American Journal of Medical Genetics. Part a 161a(7): 1690-1694



Capillary malformation-arteriovenous malformation (CM-AVM) is a newly recognized clinical entity caused by mutation of the RASA1 gene, which encodes p120-RasGAP. Here we describe, for the first time, a patient with CM-AVM presenting during the late stages of pregnancy with pulmonary "capillary level" microvascular shunt, worsening cutaneous capillary malformations, and gross fluid overload. Sequencing revealed a novel mutation of the RASA1 gene involving a frameshift mutation in the RASGAP domain of RASA1. This report extends our current genetic and clinical understanding of CM-AVM.

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Accession: 051190230

Download citation: RISBibTeXText

PMID: 23687085

DOI: 10.1002/ajmg.a.35935


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