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‘Halo Score’: missing large-vessel giant cell arteritis— do we need a ‘modified Halo Score’?
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  1. Arghya Chattopadhyay1,
  2. Alakendu Ghosh2
  1. 1Internal Medicine, Clinical Immunology and Rheumatology Unit services, Postgraduate Institute of Medical Education and Research, Chandigarh, India
  2. 2Rheumatology & Clinical Immunology, Institute of Post Graduate Medial Education and Research, Kolkata, West Bengal, India
  1. Correspondence to Professor Alakendu Ghosh, Rheumatology, Institute of Post Graduate Medial Education and Research, Kolkatta, West Bengal, India; alakendughosh{at}gmail.com

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We read with great interest the article on ‘Novel ultrasonographic Halo Score for giant cell arteritis (GCA): assessment of diagnostic accuracy and association with ocular ischaemia’ by van der Geest et al.1 First, we would like to congratulate them for proposing the novel ultrasonographic score useful for both diagnosis and prognostication of the GCA. In the future, it may also serve as a disease activity marker in GCA. Large-vessel giant cell arteritis (LV-GCA) is a relatively less addressed entity. The prevalence of LV-GCA is not well defined and ranges from 10% to 83%, depending on the diagnostic modality.2 3

LV-GCA differs in terms of clinical presentation, vessel involvement and complications.3 In a study by Muratore et al, diagnostic performance of American …

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