Link to definition of UPDRS Scale:

http://parkinsons.about.com/b/2009/0...ting-scale.htm

Link to description of Hoehn & Yahr test Scores:
http://www.movementdisorders.org/Use.../hoehnyahr.pdf

Link to Scan Biomarkers of PD:
http://www.parkinsonsdiseasecme.com/...s-disease.html


My FDOPA Scan taken at Mt. Zion in New York showed moderatly severe 5 years ago. I would trust having a second FDOPA Scan over the H & Y scale or the UPDRS Scale anyday to measure the progression anyday.

Vicky