Congenital Tumors

Teratomas, often in the pineal region, are the most common congenital tumors. Other common tumors are glioblastomas, lipomas, plexus papillomas, and craniopharyngeomas. Lipomas, situated in the midline and associated with agenesis of the corpus callosum, are often clinically silent. Glioblastomas and plexus papil-lomas may produce marked hydrocephalus.

The prognosis for congenital tumors is generally poor. Some fetuses are stillborn. In the majority of cases, survival ranges from a few weeks to 1 year, seldom longer.

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