Large vessel vasculitis (FDG PET-CT)

Case contributed by David Little , 15 May 2020
Diagnosis almost certain
Changed by David Little, 18 Apr 2023
Disclosures - updated 10 Jun 2022: Nothing to disclose

Updates to Case Attributes

Body was changed:

TypicalThis case demonstrates the typical distribution of active large vessel vasculitis on FDG PET-CT.

EANM/SNMMI guidelines for vasculitis in FDG PET-CT:•Grade 0: No vascular uptake (≤ mediastinum)•Grade 1: Vascular uptake < liver uptake•Grade 2: Vascular uptake = liver uptake, may be PET-positive•Grade 3: Vascular uptake > liver uptake, considered PET-positive

  • -<p>Typical distribution of active large vessel vasculitis on FDG PET-CT.</p>
  • +<p>This case demonstrates the typical distribution of active large vessel vasculitis on FDG PET-CT.</p><p>EANM/SNMMI guidelines for vasculitis in FDG PET-CT:<br>•Grade 0: No vascular uptake (≤ mediastinum)<br>•Grade 1: Vascular uptake &lt; liver uptake<br>•Grade 2: Vascular uptake = liver uptake, may be PET-positive<br>•Grade 3: Vascular uptake &gt; liver uptake, considered PET-positive</p>

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