Objective: To discuss the diagnosis and treatment of dysembryoplastic neuroepithelial tumor (DNT).
Methods: From November 2001 to February 2005, 18 patients were admitted. The data of the 18 patients were reviewed.
Result: Epilepsy was the main complaint. There was no mass effect on MRI. Multinodular and specific glioneuronal element was typical in pathological examination, seizure could be controlled by operation.
Conclusions: DNT is benign tumor which could be treated by surgery, total removal of tumor and using intraoperative electrocorticography could improve the result of operation.