Megalencephaly-capillary malformation-polymicrogyria (MCAP) syndrome (OMIM #602501) is characterized by megalencephaly, midline capillary malformations, and cortical malformations. This genetic overgrowth syndrome is associated with mosaic gain-of-function pathogenic PIK3CA variants (OMIM #171834).
Keywords: Cerebral sinus venous thrombosis; Macrocephaly; Megalencephaly-capillary malformation-polymicrogyria; PIK3CA; Stroke.