This image shows a large PMN with multiple discretely-identifiable nuclear lobes, usually seen in megaloblastic anemias. Normal PMN's have less than or equal to 5 lobes.
A.D.A.M. Editorial Team: David Zieve, MD, MHA, and David R. Eltz. Previously reviewed by Yi-Bin Chen, MD, Leukemia/Bone Marrow Transplant Program, Massachusetts General Hospital (1/31/2010).