9505/1 Neuroastrocytoma


Related terms

Ganglioglioma, NOS

Definitions

Tumours of the central nervous system
ICD-O-3 topography code: C70, C71 and C72

A well differentiated, slowly growing neuroepithelial tumour histologically characterized by dysplastic ganglion cells and neoplastic glial cells (WHO grade I/II). This biphasic architecture is highly variable with tumors predominating glial or neuronal subpopulations 1
 
Louis DN, Ohgaki H, Wiestler OD, Cavenee WK (Eds.)
WHO Classification of Tumours of the Central Nervous System.
4th Edition
International Agency for Research on Cancer: Lyon 2007



. Gangliogliomas are most frequently located in the temporal lobe but may affect any location of the CNS including the spinal cord. The mean age at operation is 25 years and most patients present with chronic intractable focal epilepsies.