RESUMO
Background: Pre-natal sonographic examination is the primary modality of imaging in pregnancy which allows direct; real-time assessment of the fetus; and accurate diagnosis of congenital anomalies. One such anomaly is encephalocele. Case Report:The case of a 38 year old gravida 14; Para 13+1 with a diagnosis of discordant encephalocele multiple (twin) pregnancy made during routine sonographic examination is presented. One twin showed showed an occipital skull defect in association with a sonolucent area with ll-defined margins continuous with the fetal scalp. There were no other associated anomalies. Conclusion:Caution must be taken when performing a pre-natal sonographic examination to rule out congenital anomalies. This is important for the management of the pregnancies