Presentation
Primigravida with 16 weeks of amenorrhea. No complaints.
Patient Data
Age: 25 years
Gender: Female
From the case:
Occipital meningocele - antenatal ultrasound
Multiple planes

Single live intrauterine fetus. Growth corresponds to the gestational age. There is a thin-walled occipital region cyst herniating through the calvarial defect. There is the presence of a banana sign and a lemon sign.
Case Discussion
Ultrasound findings favor occipital meningocele at 16 weeks of gestation.