How does steroid treatment affect the presence of the halo on ultrasonography for giant cell arteritis (GCA) (temporal arteritis)?

Updated: Sep 10, 2020
  • Author: Mythili Seetharaman, MD; Chief Editor: Herbert S Diamond, MD  more...
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Steroid treatment results in disappearance of the halo. Rarely, the halo may disappear before 2 weeks of steroid treatment; often, it persists for up to 2 months. [136]

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