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Ultrasound (US) scanning in the diagnosis of large vessel giant cell arteritis (LV-GCA) is becoming more prevalent, with the advantage of being non-invasive and free of ionising radiation.1 The recent European League against Rheumatism (EULAR) recommendations suggest that US should be the first-line investigation for cases of suspected GCA where adequate equipment and expertise is available.2 3 US is also having a more prominent role in disease monitoring. Biologics such as Tocilizumab have now been approved to treat relapsing and refractory LV-GCA; however, it has been noted that while Tocilizumab may suppress serum inflammatory markers (ie, C reactive protein and erythrocyte sedimentation rate (ESR)) it may underestimate on-going vessel wall disease activity.4 Consequently, the use of US …
Handling editor Josef S Smolen
Contributors BD performed the scans; BD, AASK and KS selected the scans, BD, AASK, KS, FC and RJW contributed to data analysis and writing the manuscript.
Competing interests None declared.
Patient consent for publication Not required.
Provenance and peer review Not commissioned; externally peer reviewed.
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