Annals of Nuclear Medicine

, Volume 20, Issue 8, pp 553–556 | Cite as

18F-FDG PET/CT findings of a right subphrenic foreign-body granuioma

  • Masatoyo Nakajo
  • Scishi Jinnouchi
  • Rie Tateno
  • Masayuki Nakajo
Case Report


We report a case of an 85-year-old woman with a foreign-body granuioma which accumulated18F-fluorodeoxyglucose (FDG). Unenhanced computed tomography showed a hyperdense mass with a hypodense rim in the right subphrenic space. FDG PET/CT images showed intense FDG uptake in the hypodense rim and little FDG uptake in the center of the mass, showing a ring-shaped appearance. The fusion imaging of FDG PET/CT represented the metabolic features of the foreign-body granuioma. When a ring-shaped FDG uptake is noted in the abdomen of a patient with a history of abdominal surgery, a foreign-body granuioma should be included in the differential diagnosis.

Key words

FDG PET foreign body granuioma retained surgical sponge 


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Copyright information

© Springer 2006

Authors and Affiliations

  • Masatoyo Nakajo
    • 1
    • 2
  • Scishi Jinnouchi
    • 1
  • Rie Tateno
    • 1
  • Masayuki Nakajo
    • 2
  1. 1.Atsuchi Memorial Clinic PET CenterKagoshimaJapan
  2. 2.Department of Radiology, Graduate School of Medical and Dental SciencesKagoshima UniversityJapan

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