Image-guided Navigation Surgery for Bilateral Choanal Atresia with a Tessier Number 3 Facial Cleft in an Adult

The coexistence of craniofacial cleft and bilateral choanal atresia has only been reported in three cases in the literature, and only one of those cases involved a Tessier number 3 facial cleft. It is also rare for bilateral choanal atresia to be found in adulthood, with 10 previous cases reported in the literature.