“…CT is advantageous in that it may show osseous complications like erosion of the adjacent skull base, mandible or pterygoid plates, as well as calcifications. Prenatal ultrasonography showing a unilateral and well-demarcated partially solid and cystic, or multiloculated mass with calcifications (50% of cases) and polyhydramnios due to esophageal obstruction (30% of cases) can support the diagnosis of teratoma [1,3,7,13]. Antenatal diagnosis of this neonate was not possible because of inadequate antenatal care.…”