• Alan P Lozier, Yamil M Arbaje, and Bernd W Scheithauer.
• Department of Neurosurgery, Dean Clinic, Madison, Wisconsin 53715, USA. alan.lozier@deancare.com
• Neurosurgery. 2009 Oct 1; 65 (4): E816-7.

ObjectiveChoroid plexus carcinoma (CPCa) is an uncommon tumor rarely occurring in patients older than 2 years of age. The case reported herein represents the first documented example of a primary supratentorial, extraventricular CPCa in an adult. The scant literature regarding this topic is reviewed.Clinical PresentationA 68-year-old woman presented with transient expressive aphasia. Magnetic resonance imaging demonstrated an avidly enhancing, left temporal, extra-axial mass with associated parenchymal cysts.InterventionThe tumor was gross-totally removed via a frontotemporal craniotomy. A diagnosis of CPCa was made on histological, immunohistochemical, and ultrastructural grounds. Postoperatively, the patient was treated by local radiotherapy and temozolomide. A magnetic resonance imaging scan 44 months after surgery showed no evidence of residual or recurrent tumor.ConclusionCPCa infrequently affects adults. Only rarely does it present as a supratentorial, extraventricular mass. Resection is the mainstay of therapy. Adjuvant radiation and chemotherapy are rational treatment options.

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