Neuronal and Mixed Neuronal-Glial Tumors of the Central Nervous System

Ganglioglioma is a slow-growing relatively low-grade mixed glioneuronal tumor with most cases corresponding to the WHO Grade I category. It frequently presents with seizures. The temporal lobe is the most common location followed by frontal, parietal, and occipital lobes. These generally behave in a benign fashion and have a favorable prognosis. We describe a case of a 24-year-old male presenting with convulsions and a calcified parieto-occipital mass. This mass removed from the parietal lobe showed neoplastic glial and dysplastic neuronal tissue amidst extensive areas of calcification and foci of ossification. On immunohistochemistry, the glial component expressed glial fibrillary acidic protein whereas the dysplastic neuronal component expressed synaptophysin and CD34. Epithelial membrane antigen was negative and Ki-67 showed a low proliferative index. After the surgery, the patient is free of neurological symptoms. Widespread calcification and ossification are very unusual in ganglioglioma, which prompted us to report this case.

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Neuronal and Mixed Neuronal-Glial Tumors of the Central Nervous System

Cited by 2 publications

References 207 publications

Neuronal and Mixed Neuronal-Glial Tumors

Neuronal and Mixed Neuronal-Glial Tumors

Unusual ganglioglioma with extensive calcification and ossification

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