A 48-year old man who underwent renal transplantation 2 years ago due to chronic renal failure underwent FDG PET/CT to determine the etiology of multiple lesions in the renal transplant incidentally found on routine examination. The images demonstrated several foci of the abnormally increased activity in the transplanted kidney with SUVmax of 7.5. Surgical pathology demonstrated multiple synovial sarcoma in the transplanted kidney.
From the Department of Nuclear Medicine, Beijing Friendship Hospital of Capital Medical University, Beijing, China.
Received for publication October 29, 2018; revision accepted November 3, 2018.
Conflicts of interest and sources of funding: J.Y. was supported by the National Natural Science Foundation of China (no. 81771860) and National Key Research and Development Plan (no. 2017YFC0114003). None declared to all other authors.
Correspondence to: Jigang Yang, MD, PhD, Beijing Friendship Hospital Affiliated to Capital Medical University Beijing, 95 Yong An Rd, Xi Cheng District, Beijing, China 100050. E-mail: firstname.lastname@example.org.