When FDG-PET/CT reveals the tracks of fever - Takeaways - MDSpire

When FDG-PET/CT reveals the tracks of fever

  • By

  • Manuel Garrido Montes

  • Luis Luque Caraballo

  • Santiago Rodriguez Suarez

  • Jose Salvador Garcia Morillo

  • July 9, 2026

  • 0 min

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  • 1

    A 56-year-old man experienced bilateral epididymo-orchitis, high fever, headache, and myalgia despite antibiotic treatment.

  • 2

    Initial pelvic CT suggested acute prostatitis with a possible abscess, but cultures and serological tests were negative.

  • 3

    Whole-body ^18F-FDG PET/CT revealed bilateral irregular uptake, indicating suspected polyarteritis nodosa.

  • 4

    The patient was treated with prednisone and azathioprine, resulting in clinical and biochemical improvement within two weeks.

  • 5

    The 'ant-farm-like' PET pattern may indicate a specific phenotype of polyarteritis nodosa with high inflammatory burden.

Original Source(s)

When FDG-PET/CT reveals the tracks of fever

  • by Manuel Garrido Montes, Luis Luque Caraballo, Santiago Rodriguez Suarez, Jose Salvador Garcia Morillo

  • July 9, 2026

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