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Hi Jeanette, I have had several PET scans at UBC (for research purposes) and had an MRI prior to diagnosis. I also had a CT Scan (Cat Scan) some years ago after an auto accident. Whenever questions on scans come up I like to refer anyone interested to UBC's excellent web site: http://www.triumf.ca/welcome/petscan.html You can link further from their site as well. I hope this may help in understanding the different scans and their purposes. On 9 Dec 99 at 8:52, Leo Fuhr wrote: > Is it true that PET(Positron Emission Tomography) is only used prior to > surgeries and in medical research at present due to the prohibitive cost? > > Jeanette Fuhr 49/47/44? > ---------- > From: Michel Margosis <[log in to unmask]> > At 07:34 1999/10/30 -0400, tina wrote: > > first starting having problems in november 1998, mainly > >depression, headaches on left side of head and neck, and > >tremor in right hand. Seen 3 regular neurosurgeons from > >november 98' to may 99'. I received a medicine for benign > >tremor, because one neurosurgeon said since the cat scan > >was normal I didnt have PD. > > My understanding of the subject tells me that Positron Emission > Tomography scans are the only ones that can verify that the patient has > PD. > Michel > cheers ............... murray [log in to unmask]