Daily Archives: 06/04/2026

Diagnosis and differential diagnosis of rheumatoid arthritis

Author: Joshua F Baker, MD, MSCE Section Editor: James R O’Dell, MD Deputy Editor: Philip Seo, MD, MHS Contributor Disclosures All topics are updated as new evidence becomes available and our peer review process is complete. Literature review current through: Mar 2026. | This topic last updated: Jan 29, 2026. INTRODUCTION Rheumatoid arthritis (RA) is […]