Pitting edema occurs when fluid collects in the tissue. By pressing a thumb or finger firmly against the tissue for a few seconds, a dent can be produced. When the finger is withdrawn the dent may persist for several minutes.
Review Date 12/10/2016
Updated by: Linda J. Vorvick, MD, Clinical Associate Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.