[Ex-Utero Intrapartum Treatment for airway management in congenital giant neck masses].

Introduction: Congenital head and neck masses are associated with perinatal asphyxia and brain injury, increasing the risk of death. The EXIT (Ex Utero Intrapartum Treatment) technique con sists of ensuring the newborn's airway while is still receiving placental support. This technique has not been standardized in developing countries.