A case report of May–Thurner syndrome after kidney transplantation

May–Thurner syndrome is a rare anatomical disorder in which patients develop deep vein thrombosis in the iliac and femoral veins due to venous obstruction. This syndrome causes blockage of the large veins in the iliac and femoral regions of the legs, leading to serious complications such as pain, swelling, and risk of pulmonary embolism. More specifically, May–Thurner syndrome is an anatomical variation characterized by venous obstruction and thrombosis in the deep veins of the lower extremities. It is often considered an uncommon diagnosis in patients presenting with deep vein thrombosis. In this case report, we introduce a patient with Autosomal Dominant Polycystic Kidney Disease (ADPKD) who suffered from recurrent thromboses of the external iliac vein and common iliac vein after kidney transplantation, and we were diagnosed with May–Thurner syndrome retrogradely.