Presentation
G3P2 at 23 weeks pregancy.
Patient Data
Age: 30 years
Gender: Female
From the case:
Chiari II malformation - antenatal
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The ultrasound images demonstrate:
- small posterior fossa
- dilated supratentorial ventricular system
- midline cystic mass with no skin cover at the lumbar region, communicating with the spinal canal through a spinal dysraphism (spina bifida aperta). The adjacent segment of the spinal cord is angulated towards the cystic mass in keeping with myelomeningocele.
- No other associated fetal malformations were seen.
Case Discussion
Ultrasound features of a Chiari II malformation also called Arnold-Chiari malformation.