Bartsocas-Papas Syndrome, also known as autosomal recessive popliteal pterygium syndrome, is related to ankyloblepharon-ectodermal defects-cleft lip/palate and bartsocas-papas syndrome 1. An important gene associated with Bartsocas-Papas Syndrome is RIPK4 (Receptor Interacting Serine/Threonine Kinase 4). Affiliated tissues include skin and eye, and related phenotypes are synostosis of joints and microcephaly