A 43-year-old male patient with follicular B-cell lymphoma was referred for a FDG PET/CT scan due to severe left lower abdominal pain to rule out recurrent cancer. These FDG PET/CT images and previous FDG PET/CT images 5 months ago both revealed an air bubble in the urinary bladder on the CT images. He had a recurrent urinary tract infection history for 6 months. A list-mode dynamic data acquisition with diuresis intravenous injection revealed linear FDG activity extending from the upper-left portion of the bladder to a soft tissue mass in the lower-left pelvic region. An enterovesical fistula was confirmed by surgery.
From the *School of Medicine, Departments of †Nuclear Medicine, ‡Colon and Rectal Surgery, §Internal Medicine, Division of Hematology, and ¶Department of Urology, Chung Shan Medical University Hospital, Taichung, Taiwan.
Received for publication May 16, 2012; and revision accepted December 4, 2012.
Conflicts of interest and sources of funding: none declared.
Reprints: Pan-Fu Kao, MD, MSc, Department of Nuclear Medicine, Chung Shan Medical University Hospital, 110, Sec. 1, Jianguo North Road, Taichung 40201, Taiwan. E-mail: firstname.lastname@example.org;email@example.com.