[Fetal ovarian cyst. A report of a case].

Fetal ovarian cyst is uncommon; it represents the second place of fetal abdominal tumors, after urinary tract tumors. The cause of fetal ovarian cysts still remains unclear, although it is likely to be promoted by hormones. Its prognosis is usually good.

[Arachnoid cyst and pregnancy. Report of a case].

The arachnoid cysts are intracranial liquid collections with a congenital etiology. It is necessary to establish the absence of bibliographical information about this disease and its relation with pregnancy. A case is presented related to the treatment of a nineteen year old pregnant patient with a 31 week pregnancy and a history of arachnoid cysts with convulsions as the main symptom.