1. From the Department of Pathology, New York Presbyterian Hospital-Weill Cornell Center, New York, NY (Drs Sahoo, Rosen, and Chadburn); the Department of Pathology, University of New Mexico School of Medicine, Albuquerque (Drs Feddersen and Viswanatha); and New Mexico Oncology Hematology Consultants, Albuquerque (Dr Clark)