Diagnostic value of anti-CD74 antibodies in early and late axial spondyloarthritis and its relationship to disease activity.

Objectives: This study was designed to evaluate the role of anti-CD74 antibodies in diagnosis of axial spondyloarthritis (axSpA) and their relationship to disease duration and disease activity.

Methods: Fifty patients with axSpA, 15 patients with RA and 15 healthy subjects were included in the study. Clinical examination and laboratory tests were done.