<unk>  (also known as<unk>  or<unk>  is a type of benign glioneuronal brain tumor that arises from the oligodendrocyte, which is normally involved in the production of myelin in the central nervous system.<unk>  is most commonly found in the temporal lobe (supratentorial cortex).<unk>  was first discovered by Dumas-Duport in 1988.<unk> s are glioneuronal tumors comprised of both glial and neuron cells and often have ties to focal cortical dysplasia. According to the World Health Organization is classified as benign brain tumors (WHO Grade I).<unk> s may be classified according to the World Health Organization into 3 groups: complex, simple, and unspecific.<unk>  is more commonly observed among patients aged between 8 and 19 years old. The majority of patients with<unk>  remain asymptomatic and are undiagnosed until they become symptomatic at the time of diagnosis. Early clinical features include seizures, headaches, and personality changes. Common complications of<unk>  include status epilepticus and severe memory loss. Surgical excision is the most common approach to the treatment of<unk> .
Dysembryoplastic neuroepithelial tumor
Primitive neuroectodermal tumor
Gemistocytic astrocytoma
Subependymal giant cell astrocytoma
Pineal germinoma
Ganglioglioma
Hemangioblastoma
Ameloblastoma