9391/3 Clear cell ependymoma



Definitions

Tumours of the central nervous system
ICD-O-3 topography code: C70, C71 and C72
ICD10: C70, C71 and C72
           

Clear cell ependymoma is a histological variant of ependymoma, characterized by an oligodendroglia-like appearance with clear perinuclear halos. This variant tends to be preferentially located in the supratentorial compartment of young patients. Clear cell ependymomas correspond to WHO grade II but may follow a more aggressive course 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



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