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Cases J. 2009 Jul 10;2:7098. doi: 10.4076/1757-1626-2-7098.

A large choroid plexus cyst diagnosed with magnetic resonance imaging in utero: a case report.

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Neurosurgery Department, American Hospital, Guzelbahce Sk. No: 20, 34365 Nisantasi – Istanbul, Turkey.


The incidence of choroid plexus cysts represents approximately 1% of fetal anomalies. We describe a case in which fetal ultrasonography and fetal magnetic resonance scans were used to identify a large choroid cyst in a fetus without the use of a diagnostic amniocentesis to detect aneuploidy. After birth, the child underwent surgery. In conclusion, the nature of prenatal intracranial cysts should be fully evaluated and differentiated between choroid plexus cysts and other types of cysts. We believe that a detailed evaluation of detected cysts and other structural brain abnormalities are essential. Prenatal magnetic resonance scans clearly can decrease the need for risky procedures, such as an amniocentesis, in the evaluation of antenatal choroid plexus cysts.

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