GLOMUS TUMORS
TYPE
CHARACTERISTICS
A Limited to middle ear cleft
B Limited to tympanomastoid complex
No infralabyrinthine involvement
C Involves labyrinthine compartment
Extends to petrous apex
D Intracranial involvement
Classification
Fisch
TYPE
CHARACTERISTICS
D1 Intracranial extension less than 2cm
D2 Intracranial extension greater than 2cm
24/10/2017