Cantu Syndrome, also known as hypertrichotic osteochondrodysplasia, is related to patent ductus arteriosus 1 and cardiomyopathy, dilated, 1o. An important gene associated with Cantu Syndrome is ABCC9 (ATP Binding Cassette Subfamily C Member 9), and among its related pathways/superpathways are Transmission across Chemical Synapses and Potassium Channels. Affiliated tissues include bone and heart, and related phenotypes are coarse facial features and thick vermilion border