Arnold-Chiari Malformations in Pediatric Patients After Fetal Surgery for Meningomyelocele.

(1) : Fetal surgery for meningomyelocele (MMC) should reduce the occurrence of Arnold-Chiari malformations, hydrocephalus, the associated need for craniocervical decompression, and the need for cerebrospinal fluid shunt insertion. Fetal surgery should improve ambulatory status. (2) : We used retrospective analysis of the documentation and descriptive statistics to summarize the clinical data and measured MRI parameters.