1. Reprints: Gregorio Chejfec, MD, Department of Pathology, Loyola Medical Center, EMS Bldg, Room 2244, 2160 S First Ave, Maywood, IL 60153.
2. From the Department of Pathology, Loyola Medical Center, Maywood, Ill (Drs Yong and Chejfec) and Department of Pathology, Spectrum-Health, Grand Rapids, Mich (Dr Attal).