Synovial sarcoma Monophasic synovial sarcoma of pancreas DOI: 10.4328/JCAM.5396 Received: 13.11.2017 Accepted: 27.12.2017 Publihed Online: 30.12.2017 Printed: 01.03.2018 J Clin Anal Med 2018;9(2): 153-4 Corresponding Author: Kawsar Tarvirdizade, General Practitioner M.D, Medicine Faculty, Tabriz University of Medical Science, Tabriz, Iran. E-Mail: kowsar.tarvirdi91@gmail.com Abstract Synovial sarcoma that originated from the stromal tissue of pancreas is uncommon and more prevalent in younger patients, with relatively high rates of response to chemotherapy. We report a patient with a duodenal ulcer caused by a pancreatic head tumor which lead to gastrointestinal bleeding causing anemia and melena. The patient underwent Whipple’s surgery, and pathological study of mass reported monophasic synovial sarcoma. The patient received chemotherapy. Keywords Pancreas; Monophasic; Synovial Sarcoma Yousef Roosta 1 , Mortaza Raeisi 1 , Kawsar Tarvirdizade 2 1 Hematology and Medical Oncology Research Center, 2 Medicine Faculty, Tabriz University of Medical Science, Tabriz, Iran Journal of Clinical and Analytical Medicine | 153