9533/0 Psammomatous meningioma


Definitions

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

A benign (WHO grade I) meningioma characterized by an abundance of psammoma bodies that may become confluent, forming irregular calcified, occasionally ossified masses. These tumors often occur in the thoracic spinal region of middle-aged women 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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