Developmental outcome of children with enlargement of the Cisterna Magna identified in Utero

Raheli Dror, Gustavo Malinger, Liat Ben-Sira, Dorit Lev, Chaim G. Pick, Tally Lerman-Sagie*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


An enlarged cisterna magna can be identified during routine ultrasound screening in the second half of pregnancy. It is important to be able to give an accurate prognosis. We evaluated the developmental outcome of these children. A total of 29 fetuses with a large cisterna magna identified in utero were compared to 35 children with a normal fetal ultrasound. The children were evaluated by the Gesell Developmental Schedules and the Peabody Developmental Motor Scale. The study group showed a significantly worse performance in the Gesell test. However, the overall performance for both groups was within normal limits. Four children in the study group had a borderline developmental quotient. Both groups performed similarly in the Peabody test. Walking age was significantly delayed in the study group. Children with an enlarged cisterna magna may be at risk for mild developmental delay. In cases of nonisolated enlargement of the cisterna magna, the outcome may be guarded.

Original languageEnglish
Pages (from-to)1486-1492
Number of pages7
JournalJournal of Child Neurology
Issue number12
StatePublished - Dec 2009


  • Arachnoid cyst
  • Cisterna magna
  • Dandy-Walker malformation
  • Developmental outcome
  • Posterior fossa


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