Steven Ytterberg, M.D., a rheumatologist at Mayo Clinic in Rochester, Minn., discusses two forms of vasculitis- giant cell arteritis and Takayasu's arteritis- including their symptoms, potential complications and treatments. Mayo Clinic is part of the Vasculitis Clinical Research Consortium, a National Institutes of Health-funded effort investigating giant cell arteritis, Takayasu's arteritis and other inflammatory blood vessel disorders.
