Ultrasound-guided Injection for Coexisting De Quervain’s Tenosynovitis and Carpal Tunnel Syndrome in Inflammatory Arthritis: A Case Report

Abstract De Quervain’s tenosynovitis (DQT) and carpal tunnel syndrome (CTS) are the common causes of wrist pain, but rarely coexist in patients with inflammatory arthritis (IA). Here, we report the case of a 46-year-old female with IA who presented with 3 months of radial wrist pain and paresthesia in the distribution of the median nerve (MN). Ultrasound (USG) revealed first dorsal compartment tenosynovitis and an MN cross-sectional area of 10 mm 2 at the carpal tunnel inlet. She underwent USG-guided triamcinolone injection for DQT and 5% dextrose hydrodissection for CTS. At 1-month follow-up, DQT-related pain had resolved completely, while intermittent tingling persisted with reduced intensity. USG-guided targeted interventions are safe, precise, and effective for managing peripheral manifestations such as tendon sheath inflammation and nerve entrapments in IA.