[Tumour type] Spongioblastoma [Classification] Glioma [Predilection site] Variable, eg, ependymal surfaces, cerebellum, optic nerve and tracts [Pathology] Solitary [Frequency] 
Rare
R a r e
C o m m o n
U n c o m m o n
R a r e , i n c i d e n t a l f i n d i n g
r a r e