Abstracts tagged "diagnosis and laboratory tests"

Abstract Number: 581 • ACR/ARHP Annual Meeting 2017
Diagnostic Value of Anti-CD74 Antibodies in Early Axial Spondyloarthritis: Data from the Spondyloarthritis Caught Early (SPACE) Cohort
Janneke de Winter¹, Marleen van de Sande¹, Niklas Thomas Baerlecken², Inger Berg³, Roberta Ramonda⁴, Désirée van der Heijde⁵, Floris van Gaalen⁶, Torsten Witte⁷ and Dominique Baeten^1,8, ¹Clinical Immunology and Rheumatology, Amsterdam Rheumatology and immunology Center, Academic Medical Center/University of Amsterdam, Amsterdam, Netherlands, ²Rheumatology, Private Practice, Cologne, Germany, ³Rheumatology, Diakonhjemmet Hospital, Oslo, Norway, ⁴Rheumatology Unit, Department of Medicine DIMED, University of Padova, Padova, Italy, ⁵Rheumatology, Leiden University Medical Center, Leiden, Netherlands, ⁶Leiden University Medical Center, Leiden, Netherlands, ⁷Clinical Immunology and Rheumatology, Medical University Hannover, Hanover, Germany, ⁸UCB Pharma, Slough, United Kingdom
Background/Purpose: Anti-CD74 IgG antibodies are reported to be elevated in serum of patients with axial spondyloarthritis (axSpA). This study aimed to assess the diagnostic value…
Abstract Number: 700 • ACR/ARHP Annual Meeting 2017
Variability in Method of Testing for Antinuclear Antibodies (ANA): A Survey of Participants in the College of American Pathologist’s (CAP) Proficiency Testing Program
Stanley J. Naides¹, Jonathan Genzen², Gyorgy Abel³, Christine Bashleben⁴ and Mohammad Qasim Ansari⁵, ¹Immunology, Quest Diagnostics Nichols Institute, San Juan Capistrano, CA, ²ARUP Laboratories Inc, Salt Lake City, UT, ³Department of Pathology and Laboratory Medicine, Lahey Clinic Burlington, Burlington, VT, ⁴College of American Pathologists, Northfield, IL, ⁵Department of Pathology and Laboratory Medicine, Louis Stokes VAMC, Cleveland, OH
Background/Purpose: A 2010 American College of Rheumatology position paper designated indirect immunofluorescence assay (IFA) on HEp-2 cells the “gold standard” for ANA testing and that…