Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 59 11 2021 11 17 684 686 Arvin Barzanji Department of Anesthesiology, Faculty of Paramedical Sciences, Kurdistan University of Medical Sciences, Sanandaj, Iran Mahfouz Ghaderi Department of General Surgery, Seyed‑Al‑Shohadaee Hospital, Sanandaj, Iran. Payman Rezagholi Department of Operating Room, Faculty of Nursing and Midwifery, Kurdistan University of Medical Sciences, Sanandaj, Iran 2021 04 20 2021 08 11 Spermatic vein thrombosis is a rare event that mostly affects the left vein thrombosis but in our report it had developed on the right one that requires meticulous physical examination for diagnosis. The purpose of this case report is to introduce an adult patient with right spermatic vein thrombosis in a 30-year-old man admitted to the operating room for hernia surgery. Spermatic vein thrombosis is an unexpected finding in the differential diagnosis of acute testicular pain. https://acta.tums.ac.ir/index.php/acta/article/view/9330