The point of doing it for many people seems to be for confirmation that they have small fiber neuropathy. Many people with small fiber neuropathy have been told by doctors along the way that it is all in their head or from stress. Also people may need the confirmation of the small fiber neuropathy for use in disability cases, ssdi or ltd. You can also keep track over time with additional biopsies as to the direction you are going. getting better or getting worse or staying the same. It would seem to be useful for peace of mind as to finally know what is going on with yourself.