J Rheumatol 2019 04 15;46(4):384-390. Epub 2018 Oct 15.
From the Division of Rheumatology, Toronto Western Hospital, Toronto; Division of Rheumatology, Women's College Hospital, Toronto; Division of Rheumatology, Department of Medicine, University of Toronto, Toronto; University of Waterloo, Waterloo, Ontario; Division of Rheumatology, Ottawa Hospital, University of Ottawa, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; MRC Biostatistics Unit, School of Clinical Medicine, University of Cambridge, Cambridge, UK; Division of Rheumatology, University of Florida, Jacksonville, Florida, USA.
Objective: To assess the performance of various sonographic elemental entheseal lesions in distinguishing between psoriatic arthritis (PsA) and controls to inform the development of a novel sonographic enthesitis score for PsA.
Methods: A total of 100 age- and sex-matched individuals (50 PsA and 50 controls) were evaluated. Eleven entheseal sites were scanned bilaterally according to a standardized protocol by 2 sonographers. Read More