SDMS CME Credit – Congenital May-Thurner Syndrome With Thrombosis of Left Common Iliac Vein: A Rare Case Report

The opportunity to earn SDMS CME credit is complimentary for SDMS members and available for a fee to non-members. Access the SDMS CME test at: learn.sdms.org

Authors: Renato Farina, MD, Pietro Valerio Foti, MD, Emanuela Tona, MD, Concetta Timpanaro,MD, Claudia Motta, MD, Mattia D’Urso, MD, and Antonio Basile, MD

Category: Vascular Technology [VT]

Credit: 0.50 SDMS CME Credit

Objectives: After studying the article, you should be able to:

• Recognize when to extend a vascular imaging protocol to evaluate for possible May-Thurner Syndrome (MTS).

• Describe the mechanism of venous stenosis caused by external compression and how it relates to MTS.

• Summarize the potential clinical outcomes and complications of untreated MTS.

1. In all patients with deep vein thrombosis (DVT) of the left lower limb, it is recommended to extend the study to which space to exclude May-Thurner syndrome (MTS)?

2. B. The iliac-vertebral space

3. C. The renal space

4. D. The abdominal space

What is another name for MTS?

A. Paget-Schroetter syndrome

B. Nutcracker syndrome

C. Cockett’s syndrome

D. Takayasu’s arteritis

Which of the following best describes the mechanism behind venous stenosis caused by external compression?

A. Inflammation of the iliac vein

B. Compression of the left common iliac vein by the right common iliac artery

C. Stenosis of the femoral vein

D. Dilation of the abdominal aorta

What is considered the best criterion for identifying a hemodynamically significant venous stenosis?

A. The absolute diameter of the vein

B. The presence of collateral circulation

C. The thickness of the arterial wall

D. The flow ratio (FR) measurement

What complications can MTS lead to if left untreated?

A. Heart attack

B. Venous thrombosis or pulmonary embolism

C. Stroke

D. Aortic dissection