1. From the Department of Pathology, Saint Joseph Mercy Hospital, Ann Arbor, Michigan (Dr Tworek); the Department of Cytopathology, McGaw Medical Center, Feinberg School of Medicine, Northwestern University, Chicago, Illinois (Dr Nayar); the Department of Cytology, Regions Hospital, St. Paul, Minnesota (Ms Savaloja); the Department of Pathology, George Washington University School of Medicine, Washi