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A Not So Common Iliac Vein Anomaly: A Case Report
Avery N Love1, George A Nasser2, Connor Yost1
1Internal Medicine, A.T. Still University-School of Osteopathic Medicine in Arizona (ATSU-SOMA), Mesa, USA.
Cureus
|May 30, 2023
Summary
A rare duplicated left common iliac vein (CIV) was found in a patient with May-Thurner syndrome. This vascular anomaly caused significant leg edema, highlighting the importance of recognizing rare pelvic vein variations.
Area of Science:
- Vascular Anatomy
- Radiology
- Venous Disease
Background:
- The common iliac veins (CIVs) are crucial for draining blood from the lower extremities and pelvis.
- Vascular anomalies, while sometimes observed, are infrequent in the common iliac veins.
- May-Thurner syndrome (MTS) involves extrinsic compression of the left CIV, often leading to deep vein thrombosis and edema.
Observation:
- A case study identified a duplicated left common iliac vein during vascular angiography.
- This rare anatomical variation was associated with significant left lower extremity edema.
- The duplication contributed to extrinsic compression, consistent with May-Thurner syndrome.
Findings:
- Documented cases of duplicated common iliac veins are exceptionally rare in medical literature.
- The presence of a duplicated left CIV can predispose individuals to venous compression syndromes like MTS.
- Accurate diagnosis of such anomalies is critical for effective patient management.
Implications:
- Awareness of rare pelvic vascular anomalies is vital for surgeons to prevent intraoperative complications.
- Understanding these variations aids in diagnosing and treating associated pathologies like MTS.
- This case underscores the need for thorough pre-procedural imaging in complex vascular cases.
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