Lymphofollicular hyperplasia is an increase in the number of cells found in lymph node. These follicles contain normal white blood cells called lymphocytes. Your body produces more lymphocytes to help prevent bacteria, viruses, and other types of germs from entering the bloodstream.
Jatin M. Vyas, MD, PhD, Assistant Professor in Medicine, Harvard Medical School; Assistant in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital, Boston, MA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.