Glycerol Injection following Gamma Knife?

Would it be a wise decision to allow a Glycerol injection 2 month following Gamma Knife?

76yrs old with no relief and desperate

or

should we wait longer for gamma knife response

I just don't know.

Get two opinions from specialists!!!!

I had Gamma Knife in april and still waiting for it to work. Get some advice. Will keep you in my thoughts. x