Neurenteric cyst of the area postrema causing intractable nausea and vomiting.

Neurenteric cysts are rare, benign congenital lesions of the central nervous system. We present a case of a 59-year-old woman with intractable daily nausea and vomiting with a fourth ventricular cyst adjacent to the area postrema. This was surgically resected leading to complete symptom resolution.