Efficacy, Safety, and Sample Quality of Ultrasound‐Guided Synovial Needle Biopsy in Clinical Practice and Research: A Prospective Observational Study

Objective To study the efficacy, tolerability, safety, and sampling variation of ultrasound (US)–guided synovial biopsies performed in clinical practice and research. Methods We included all patients who had a US‐guided synovial needle biopsy from November 2013 to January 2018. Patients were evaluated for procedure safety and tolerability. Usefulness of synovial biopsy was considered based on contribution for achieving the proposed aims. We...