Wegeners granulomatosis (also known as granulomatosis with polyangiitis) is a type of vasculitis that affects small and medium blood vessels. Symptoms can .\r<br>\r<br>Lester Mertz, M.D., rheumatologist at Mayo Clinic in Arizona, discusses an FDA approved, longitudinal protocol of patients with granulomatosis and polyangiitis .\r<br>\r<br>\r<br>\r<br> .\r<br>\r<br>This Masters in Medicine webcast is one in a three-part series by Dr. Gary Hoffman. This webcast reviews the ideal candidates for cyclophosphamide therapy .