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 8/3/2020
Updated by: Diane M. Horowitz, MD, Rheumatology and Internal Medicine, Northwell Health, Great Neck, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.