OverviewThese spiked rods are uric acid crystals photographed under polarized light. Increased uric acid blood levels and formation of uric acid crystals in the joints are associated with gout.
Update Date 8/29/2015
Updated by: Laura J. Martin, MD, MPH, ABIM Board Certified in Internal Medicine and Hospice and Palliative Medicine, Atlanta, GA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.