Vaginal tumor–vesical fistula detected by dynamic fluorodeoxyglucose-positron emission tomography/computed tomography: A case report

Publication date: Available online 1 August 2017
Source:Clinical Imaging
Author(s): Naoya Ishibashi, Toshiya Maebayashi, Takuya Aizawa, Masakuni Sakaguchi, Yasuo Amano
Preoperative fistulas are rare in patients with bladder mucosa-invading gynecological tumors. This is the first reported case of a vesico–vaginal fistula identified using 2-deoxy-2-[fluorine-18]fluoro-d-glucose positron emission tomography/computed tomography (¹⁸F-FDG-PET/CT) in a patient with vaginal cancer. A 61-year-old woman with vaginal cancer underwent ¹⁸F-FDG-PET/CT for assessment of the mass and lymph nodes. Assessment was difficult because overlap of FDG uptake occurred on ¹⁸F-FDG-PET/CT images obtained 60min after FDG injection. However, dynamic ¹⁸F-FDG-PET/CT clearly indicated the presence of a vaginal tumor–vesical fistula. This case illustrates the usefulness of dynamic ¹⁸F-FDG-PET/CT imaging when assessing a vesico–vaginal fistula.



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