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May-Thurner Syndrome with Double Compression of the Iliac Vein: Lessons Based on a Case Report
Renato Farina1, Pietro Valerio Foti1, Francesco Aldo Iannace1
1Radiodiagnostic and Radiotherapy Unit, Department of Medical and Surgical Sciences and Advanced Technologies "GF Ingrassia", University of Catania, Catania, Italy.
Insights
May-Thurner syndrome, or Cockett's syndrome, involves left iliac vein compression. This case highlights unusual double stenosis diagnosed via Doppler ultrasound, emphasizing early detection for May-Thurner syndrome.
Area of Science:
- Vascular Surgery
- Radiology
- Medical Imaging
Background:
- May-Thurner syndrome (MTS), or Cockett's syndrome, is a condition where the left iliac vein is compressed, typically by the right iliac artery.
- This compression leads to venous stenosis and can cause symptoms like lower limb swelling and pain.
- Doppler ultrasound is a primary diagnostic tool for evaluating vascular pathologies like MTS.
Observation:
- A 73-year-old woman presented with acute dyspnea and left lower limb lymphedema.
- Imaging revealed an unusual case of double stenosis in the left common iliac vein.
- The stenosis was caused by compression from both the right and left iliac arteries, exacerbated by vertebral osteophytosis.
Findings:
- Doppler ultrasound accurately identified the double stenosis of the left common iliac vein.
- Computed tomography provided detailed anatomical information on the vascular compression.
- The findings underscore the importance of considering MTS in patients with left leg venous stasis symptoms.
Implications:
- Early diagnosis of May-Thurner syndrome is crucial to prevent severe health risks.
- Doppler ultrasound is effective in detecting iliac vein stenosis and associated flow abnormalities.
- This case emphasizes the need for high clinical suspicion for MTS, even in atypical presentations.
Abstract:
BACKGROUND May-Thurner syndrome, also known as Cockett's syndrome, is characterized by vascular alterations due to stenosis of the left iliac vein, usually caused by compression against the vertebral column by the right iliac artery. Doppler ultrasound represents the first level of examination for the study of this vascular pathology, and allows a very accurate study of the lower-limb vessels. We describe an unusual presentation with double stenosis of the left common iliac vein. CASE REPORT A 73-year-old woman came to the clinic for acute onset of worsening dyspnea, with lymphedema of the left lower limb, and was examined using ultrasound and multidetector computed tomography. The Doppler ultrasound exam showed 2 compressions of the common iliac vein by the right and left iliac artery due to a combination of osteophytosis of the vertebral column and reduced distance between the left iliac vein and the spine. CONCLUSIONS May-Thurner syndrome should be suspected in patients with symptoms of venous stasis of the left lower limb. Doppler ultrasound identified stenosis of the common iliac vein and the consequent flow changes. Failure to diagnose and treat May-Thurner syndrome could expose patients to very serious risks to their health.
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