OverviewNecrosis is death of a portion of tissue or an organ in the body. Tissue death occurs when there is not enough blood supplied to the area, whether from trauma, radiation, or chemicals. Once necrosis is confirmed, it is not reversible.
Update Date 8/14/2015
Updated by: Linda J. Vorvick, MD, Medical Director and Director of Didactic Curriculum, MEDEX Northwest Division of Physician Assistant Studies, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.