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Abdomen: normal variations and benign conditions resulting in uptake on FDG-PET/CT
Katherine Zukotynski1, Chun K Kim2
1Department of Medical Imaging, Sunnybrook Health Sciences Centre, 2075 Bayview Avenue, University of Toronto, Toronto, Ontario M4N 3M5, Canada; Division of Nuclear Medicine and Molecular Imaging, Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA.
Abstract:
The increasing use of (18)F-fluorodeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT) in oncology has led to: improved sensitivity and specificity in detecting localized and metastatic disease, increased ability to target biopsies to the site of most aggressive disease, and development of a noninvasive biomarker to assess prognosis and effects of therapy. However, for correct interpretation of FDG-PET/CT studies, an understanding of both normal and abnormal imaging appearances commonly encountered in oncology patients is important. This article discusses commonly seen normal variations and benign findings on FDG-PET/CT of the abdomen.
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