18F-FDG PET/CT findings in cytomegalovirus colitis

Research output: Contribution to journalJournal articleResearchpeer-review


  • Anna Sophie L. Kjaer
  • Iben Ribberholt
  • Kim Thomsen
  • Ibsen, Per Holger
  • Elena Markova
  • Jesper Graff

We present a case demonstrating the diagnostic work-up of a patient undergoing azathioprine treatment for inflammatory bowel disease (IBD), diagnosed with an acute cytomegalovirus (CMV) infection and CMV colitis. An 18F-FDG positron emission tomography/computed tomography (PET/CT) performed 2 weeks after debut of symptoms revealed pathological 18F-FDG uptake in the left side of the colon mucosa, mimicked activity of IBD. However, a diagnosis of CMV colitis was based on the presence of CMV IgM antibodies, a seroconversion of CMV IgG antibodies, presence of CMV DNA in plasma and the finding af CMV DNA in biopsies from the intestinal mucosa. The patient responded to treatment with ganciclovir. This case highlights that a positive 18F-FDG PET/CT scan of the colon can be due to CMV colitis.

Original languageEnglish
Article number3
Issue number1
Publication statusPublished - 2019

    Research areas

  • F-FDG PET/CT, Cytomegalovirus colitis, Inflammatory bowel disease

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ID: 236018483