MEGA SISTERNA MAGNA

Sisterna magna is a fluid-filled formation between the cerebellum and the medulla oblangata located in the back of the brain. In the ultrasound evaluation, measuring the width of this region wider than 10 mm is called mega sisterna magna.
It can be alone or accompany with other accompanying anomalies. Chromosomal anomaly may accompany. Mega sisterna magna alone does not usually cause problems and has no clinical significance. It is a common condition (1%). Their size should be followed during pregnancy. However, if there are other accompanying anomalies and chromosomal anomaly, the prognosis may be poor.

-CYSTIC HYGROMA
-CHOROID PLEXUS CYST
-CORPUS CALLOSUM AGENESIS (CCA)
-MEGA SISTERNA MAGNA
-MEGALENCEPHALY
-MICROCEPHALY

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