Hyperpigmented concentric rings over the tibia are secondary to
prior inflammation. Residual hemosiderin from broken down red blood
cells in macrophages, left behind after inlammation pigments the
skin.
Review Date: 04/13/2009
Reviewed By: Jonathan Kantor, M.D., North Florida Dermatology Associates,
Jacksonville, FL. Review provided by VeriMed Healthcare Network.
Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M.,
Inc.
A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)
