A synovial biopsy takes a sample of synovial tissue which is tissue that lines the joint. The test is performed to help diagnose gout, bacterial infections, and other infections.
Review Date 7/10/2018
Updated by: Gordon A. Starkebaum, MD, ABIM Board Certified in Rheumatology, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.