Timothy C. Hain, MD DizzinessTumor index Page last modified: November 15, 2009
|Several MRI views of a neuroma of the 5th nerve.|
Commentary: Dizziness is almost never due to lesions of the Vth nerve. However, dizziness can result from treatment of these lesions as it may disturb the brainstem, cerebellum or 8th nerve. This particular tumor is large. Because it extends into the cavernous sinus, which contains many vascular structures, it would be very hard to treat surgically. One would expect that radiation treatment of a tumor like this might create dizziness or other neurologic findings because the tumor indents the brainstem. Radiation that kills this tumor, would also kill normal brainstem cells.
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