1. Presented as a poster at the United States and Canadian Academy of Pathology 1999 Annual Meeting, San Francisco, Calif, March 23, 1999.
2. From the Division of Pathology and Laboratory Medicine, Cleveland Clinic Florida, Ft Lauderdale (Dr Woodhouse); Outpatient Cytopathology Center, Johnson City, Tenn (Dr Stastny); College of American Pathologists, Northfield, Ill (Dr Styer and Mss Kennedy and Praestgaard); and Department of Pathology, University of Kentucky, Lexington (Dr Davey).