Abstract Purpose of Review Ankylosing spondylitis (AS) was historically seen as a
predominantly male disease. However, more recent data showed a more homogenous sex …

Objectives To review and update the existing definition of a positive MRI for classification of
axial spondyloarthritis (SpA). Methods The Assessment in SpondyloArthritis International …

A taskforce comprised of an expert group of 21 rheumatologists, radiologists and
methodologists from 11 countries developed evidence-based recommendations on the use …

Radiographic axial spondyloarthritis (also known as ankylosing spondylitis [AS]) is a chronic
immune-mediated arthritis characterized by inflammation of the axial skeleton, peripheral …

This first update of the ASAS/EULAR recommendations on the management of ankylosing
spondylitis (AS) is based on the original paper, a systematic review of existing …

Objective To validate and refine two sets of candidate criteria for the classification/diagnosis
of axial spondyloarthritis (SpA). Methods All Assessment of SpondyloArthritis international …

Background: Magnetic resonance imaging (MRI) of sacroiliac joints has evolved as the most
relevant imaging modality for diagnosis and classification of early axial spondyloarthritis …

The axial spondyloarthritis (axSpA) disease concept has undergone substantial change
from when the entity ankylosing spondylitis was defined by the modified New York criteria in …

The human lymphocyte antigen B27 (HLA B27) is a member of the HLA class I family of
genes in the major histocompatibility complex whose name goes back to its discovery in …

Since the discovery of HLA 60 years ago, it has contributed to the understanding of the
immune system as well as of the pathogenesis of several diseases. Aside from its essential …