OverviewThese lesions of sarcoidosis are located on the elbow and are red, elevated patches (plaques). The cause of sarcoidosis remains unknown.
Update Date 6/22/2015
Updated by: Denis Hadjiliadis, MD, MHS, Associate Professor of Medicine, Pulmonary, Allergy, and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.