MINNEAPOLIS--(BUSINESS WIRE)--American Medical Systems Holdings, Inc. (NASDAQ: AMMD) reported preliminary sales of $130.0 million for the fourth quarter of 2007, a 12.7 percent increase over sales of $115.4 million in the comparable quarter of 2006. Preliminary sales for the year 2007 were reported at $463.9 million, a 29.5 percent increase over sales of $358.3 million for the year 2006. The fourth quarter marked the first quarter that contained a full quarter of Laserscope operations in the prior year. Excluding Laserscope from the full year comparisons, 2007 base revenue of $352.6 million increased by 13.5 percent over 2006.