Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia
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Case Reports
Primary anaplastic glio-neuronal tumor of the pineal gland: a new type of pineal neoplasm?
Tumors of the pineal gland are relatively rare. Most are solid, infiltrative lesions characterized by either germ cell, glial, or pineal parenchymal origin. To our knowledge, none have been described that contain an admixture of both anaplastic glial and neuronal elements. ⋯ We present the first case of a primary anaplastic glio-neuronal neoplasm of the pineal gland. Increased use of immunostaining may unveil additional cases in the future. Furthermore, additional research will be required to determine whether the dual differentiation has prognostic significance.