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May-Thurner syndrome: an unusual cause of unprovoked deep vein thrombosis of the left lower limb
  1. Suhas Umakanth,
  2. Swapneel Avinash Karnik,
  3. Alankrith Ramesh Kashyap and
  4. Badareesh Lakshminarayana
  1. General Surgery, Kasturba Medical College Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India
  1. Correspondence to Dr Suhas Umakanth; suhas.u{at}


May-Thurner syndrome, an unprovoked form of deep vein thrombosis (DVT), should be kept in mind in case of DVT with no predisposing factors. We present a case of a 37-year-old male with DVT of left lower limb due to May-Thurner syndrome, treated with anticoagulants with a plan of left common iliac vein (LCIV) stenting and inferior vena cava (IVC) filter later. Venous duplex scan showed features suggestive of May-Thurner syndrome. Hence, we proceeded for CT abdominal aortogram with bilateral lower limb angiogram, which confirmed the above findings. Management of May-Thurner syndrome is a stepwise approach, with initial anticoagulation for dissolution of the thrombus followed by endovenous stenting of the LCIV and concomitant IVC filter.

  • venous thromboembolism
  • interventional cardiology
  • vascular surgery
  • radiology (diagnostics)

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  • Contributors SU was involved in collection of data and interpretation, manuscript preparation and analysis. SAK was involved in collection of data, interpretation and manuscript preparation. ARK was involved in data interpretation and manuscript analysis. BL was involved in manuscript analysis/correction, proof reading and guidance.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.