9391/3 Cellular ependymoma



Definitions

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

Cellular ependymoma is a histological variant of ependymoma, characterized by conspicuous cellularity without a significant increase in mitotic rate. Lacking other properties of anaplasia, this variant corresponds to WHO grade II. Cellular ependymoma tends to be more common in extraventricular locations 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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