Following associated with wide I.A.C. meatus except
A- Meningioma... Rarely (Small tongue of the tumor may extend to the IAC, but usually without expansion).
B- Brain stem glioma... TRUE
C- Vertebrobasilar arterial ectasia... TRUE (It is associated with pulsatile tinnitus).
D- Raised intracranial pressure. (Hydrocephalus)... TRUE (May cause bilateral enlargement).
E- Cholesteatoma... TRUE (Massive bony destruction in adults, or in congenital cholesteatoma (epidermoid tumour), erosion of the porus acousticus by a cerebello-pontine angle tumour may occur).
F- Acoustic neuroma. True
G- Glomus jugular tumor. False (Jugular foramen tumor).
A- Meningioma... Rarely (Small tongue of the tumor may extend to the IAC, but usually without expansion).
B- Brain stem glioma... TRUE
C- Vertebrobasilar arterial ectasia... TRUE (It is associated with pulsatile tinnitus).
D- Raised intracranial pressure. (Hydrocephalus)... TRUE (May cause bilateral enlargement).
E- Cholesteatoma... TRUE (Massive bony destruction in adults, or in congenital cholesteatoma (epidermoid tumour), erosion of the porus acousticus by a cerebello-pontine angle tumour may occur).
F- Acoustic neuroma. True
G- Glomus jugular tumor. False (Jugular foramen tumor).