Interesting ImageSynchronous Squamous Cell Carcinomas of the Esophagus and Renal PelvisHsieh, Te-Chun MD*†; Wu, Yu-Chin MD*‡; Sun, Shung-Shung MD*†; Chiang, I-Ping MD§; Yang, Chun-Fan MD§; Yen, Kuo-Yang BS*†; Kao, Chia-Hung MD*¶Author Information From the Department of *Nuclear Medicine and PET Center, China Medical University Hospital, Taichung, Taiwan; †Department of Biomedical Imaging and Radiological Science, China Medical University, Taichung, Taiwan; ‡National Taiwan University Hospital Hsin-Chu Branch, Hsinchu City, Taiwan; §Department of Pathology, China Medical University Hospital, Taichung, Taiwan; ¶School of Medicine, China Medical University, Taichung, Taiwan. Received for publication December 28, 2010; revision accepted April 18, 2011. Conflicts of interest and sources of funding: none declared. Reprints: Chia-Hung Kao, MD, Department of Nuclear Medicine and PET Center, China Medical University Hospital, No. 2, Yuh-Der Rd, Taichung 404, Taiwan. E-mail: [email protected]. Clinical Nuclear Medicine: November 2011 - Volume 36 - Issue 11 - p e171-e174 doi: 10.1097/RLU.0b013e3182291b28 Buy Metrics Abstract A 55-year-old man was incidentally diagnosed with a superficial squamous cell carcinoma of esophagus. However, the systemic survey with FDG PET/CT revealed a picture of more advanced disease because of the regional lymph node metastases and a suspected distal metastasis in the left renal pelvis, which was somewhat strange for a small superficial esophageal cancer. Subsequently, the renal pelvic lesion was confirmed as squamous cell carcinoma. However, a primary tumor rather than metastasis in the renal pelvis was considered according to the histologic characteristics and radiologic findings. Copyright © 2011 Wolters Kluwer Health, Inc. All rights reserved.