May-Thurner syndrome as a differential diagnosis in recurrent thrombosis

Abstract

The May-Thurner syndrome is an anatomic abnormality generating venous insufficiency andrecurrent thrombotic episodes of lower limbs.The case of a 29 years old patient with clinical picture of recurrent deep venous thrombosis inlower limbs since the age of 20 years is presented. No risk factors were identified; extension studies for neoplasia and thrombophilia were performed with negative results, as well as studies forrheumatic disease with positive anti-nuclear antibodies (ANAs) at low titers as unique finding, beingdiagnosed as undifferentiated connective tissue disease and management with full anticoagulation isestablished. However, at the persistence of thrombotic events, an angio-CT which reports obstruction of the left iliac vein and the common vein is performed whereby a venography and cavographyare done establishing the diagnosis of May Thurner syndrome, which should be considered withinthe differential diagnosis of recurrent thrombotic events.