A critical overview of the imaging arm of the asas criteria for diagnosing axial spondyloarthritis: what the radiologist should know

Aydıngöz, Üstün; Yıldız, Attila; Özdemi̇r, Zeynep; Yildirim, Seray Akcalar; Erkus, Figen; Ergen, Fatma Bilge

doi:10.4261/1305-3825.dir.5732-12.0

Cited by 17 publications

(17 citation statements)

References 9 publications

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“…The patients with AS were divided into 2 groups: 1) patients with AS who were on anti-TNF-α treatment according to the Assessment in AS (ASAS) group guidelines (19,20) and 2) patients with AS who were not regularly taking any antiinflammatory drugs, including nonsteroid antiinflammatory drugs. The patients that had a history of atherosclerotic diseases, such as coronary artery disease and cerebrovascular disease, or systemic diseases such as diabetes mellitus, hypertension, and renal failure, were excluded.…”

Section: Study Populationmentioning

confidence: 99%

Anti TNF-α therapy might be responsible for an increased incidence of varicocele in patients with ankylosing spondylitis

Yılmaz¹,

Ugan²,

Yener³

et al. 2014

Turk J Med Sci

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Sweet cherry and sour cherry production in Turkey occupies an important place in worldwide production and is still of considerable importance in terms of providing further fruit species and gene resources. In this study, 88 sweet cherry, 16 sour cherry, and 9 mahaleb types displaying potential for cultivar rootstocks were selected from wild cherry populations in Samsun Province of the Central Black Sea Region in Turkey. The morphologic characteristics of the studied genotypes were compared with the standard clone rootstocks PHL-A,

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Section: Study Populationmentioning

confidence: 99%

Anti TNF-α therapy might be responsible for an increased incidence of varicocele in patients with ankylosing spondylitis

Yılmaz¹,

Ugan²,

Yener³

et al. 2014

Turk J Med Sci

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“…Clinical demonstration of sacroiliitis can be difficult due to location of SIJ, its anatomic feature and limited range of motion. Therefore, imaging techniques play an important role in the diagnosis of SpA (1)(2)(3). In practice, conventional imaging tools fail to show active inflammation, which may delay the diagnosis (1).…”

Section: Introductionmentioning

confidence: 99%

“…Osteitis/ bone marrow edema is detected as a hyperintense signal on STIR (short tau inversion recovery) and typically as a hypointense signal on T1-weighted (T1W) MRI sequences (9) and is the single indispensable criterion for the diagnosis of active sacroiliitis (2). These signals must be seen on at least two adjacent sections when a single focus is found or on a single section when multiple foci are found (2,9).…”

Section: Introductionmentioning

confidence: 99%

“…There are four MRI findings of active (acute) sacroiliitis associated with axial SpA: osteitis/bone marrow edema, enthesitis, capsulitis and synovitis (2,3).…”

Section: Introductionmentioning

confidence: 99%

“…These signals must be seen on at least two adjacent sections when a single focus is found or on a single section when multiple foci are found (2,9).…”

Section: Introductionmentioning

confidence: 99%

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Contrast Enhanced Magnetic Resonance Imaging in Sacroiliitis

et al. 2016

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MRI in axial spondyloarthritis: understanding an ‘ASAS-positive MRI’ and the ASAS classification criteria

2022

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In 2009, the Assessment of SpondyloArthritis international Society (ASAS) published a definition of ‘active sacroiliitis on magnetic resonance imaging (MRI) for classification of axial spondyloarthritis’. This new definition of an ‘ASAS-positive MRI’ was integral to new classification criteria for axial spondyloarthritis that were published in the same year. The ASAS MRI definition had the considerable advantage of simplicity and the definition gained popularity as guidance for interpreting MRI of the sacroiliac joints in clinical practice. However, classification criteria are not designed for use in clinical practice with the consequence that overreliance on the presence of bone marrow edema, which is the principal determinant of an ‘ASAS-positive MRI’, may result in a tendency to overcall inflammatory sacroiliitis in the clinical setting. This article aims to inform the reader about the rationale behind the ASAS definition of a positive MRI and ASAS classification criteria, their proper use in research and why they should not be used in clinical practice. The article also contains guidance for an updated imaging protocol and interpretation of images including typical imaging findings, differential diagnosis, and common pitfalls.

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A critical overview of the imaging arm of the asas criteria for diagnosing axial spondyloarthritis: what the radiologist should know

Cited by 17 publications

References 9 publications

Anti TNF-α therapy might be responsible for an increased incidence of varicocele in patients with ankylosing spondylitis

Anti TNF-α therapy might be responsible for an increased incidence of varicocele in patients with ankylosing spondylitis

Contrast Enhanced Magnetic Resonance Imaging in Sacroiliitis

MRI in axial spondyloarthritis: understanding an ‘ASAS-positive MRI’ and the ASAS classification criteria

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