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 When the finger is withdrawn the dent may persist for several minutes.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 10/20/2022
Updated by: Linda J. Vorvick, MD, Clinical Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.