TUCSON, AZ -- (MARKET WIRE) -- March 08, 2007 -- Ventana Medical Systems, Inc. (NASDAQ: VMSI) today announced the launch of its HER2 Silver in situ Hybridization (SISH) technology for use in the European, Canadian, Asian, and Australian markets. HER2 SISH release is expected early 2008 for use in the United States pending FDA approval.