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May-Thurner syndrome (MTS) involves the compression of the left iliac vein between the right iliac artery anteriorly and the lumbar vertebrae posteriorly. Patients may remain asymptomatic throughout their lives or experience unilateral lower limb swelling and symptoms of deep vein thrombosis (DVT), such as redness and pain in the limb, or features of its complication (pulmonary embolism) such as chest pain or shortness of breath. We present the case of a 34-year-old female exhibiting acute pain and tightness in her left leg, due to DVT of the left common femoral vein, extending up to the pelvic veins, which, on further diagnostic imaging, was found to be due to MTS. The patient was initiated on lifelong anticoagulation to prevent further complications. The rising incidence of MTS, coupled with frequent delays in its diagnosis, highlights the need to raise awareness among healthcare providers, especially acute medics (who are often the first point of contact for the patient) to expand their diagnostic umbrella of differentials to include MTS as a potential cause of such presentations and to look and think beyond DVT of the lower limb. This is especially important in females presenting with non-specific DVT symptoms, as early suspicion and referral to the respective medical teams including vascular medicine, can improve diagnostic accuracy and provide more management options, thereby improving long-term outcomes.
Krishnan et al. (Wed,) studied this question.