“…7,9 Early reports suggested that CNPAS occurred as an isolated anomaly but later studies showed the presence of associated central nervous system, endocrine, or craniofacial abnormalities. 3,8 These anomalies are holoprosencephaly, facial hemangiomas, clinodactyly, pituitary dysfunction, single central maxillar megaincisor, and hypoplastic maxillary sinuses. 3,4,7,8 A central maxillar megaincisor is associated with this disease in 75% of cases.…”