Large fetal neck masses can cause life threatening airway obstructions after delivery. The ex utero intrapartum treatment (EXIT) can be used to obtain a fetal airway while feto-maternal circulation is preserved. The relationship of neck mass to airway structures can be defined prenatally with ultrasound and magnetic resonance imaging (MRI). We present a successful EXIT case in which prenatally a large fetal neck mass was diagnosed on ultrasound and MRI at 35 weeks of gestation in 30 year-old paturient.