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Published on: June 2, 2015
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Evaluation of iliac venous variations with multidetector computed tomography
1Department of Radiology, Diskapi Yildirim Beyazit Training and Research Hospital, Ankara, 06110, Turkey. azadhekimoglu@gmail.com.
Surgical and Radiologic Anatomy : SRA
|April 5, 2021
Summary
Multidetector computed tomography (MDCT) revealed significant iliac vein variations in 15.8% of patients. Understanding these anatomical differences is crucial for preventing complications during pelvic surgery.
Area of Science:
- Anatomy
- Radiology
- Vascular Surgery
Background:
- The iliac veins exhibit numerous anatomical variations.
- Accurate pre-procedural knowledge of these variations is essential for patient safety.
Purpose of the Study:
- To evaluate the prevalence and types of iliac vein variations using multidetector computed tomography (MDCT).
- To identify potential gender-related differences in the occurrence of these variations.
Main Methods:
- Retrospective analysis of pelvic MDCT scans from 1071 adult patients.
- Evaluation of sagittal and coronal reconstructions to identify deviations from typical iliac venous anatomy.
- Classification of variations based on established types and identification of novel subtypes.
Main Results:
- The typical iliac venous anatomy (Type 1) was observed in 84.2% of patients.
- Iliac vein variations were present in 15.8% of the study population.
- Statistically significant gender differences were noted in the occurrence of variations (p < 0.05), with males showing a higher prevalence.
- Specific variation types identified included Type 2 (49.7%), Type 3 (29%), Type 4 (4.7%), Type 5 (6.5%), Type 6 (4.8%), Type 7 (1.8%), and Type 8 (3.6%).
- Novel subtypes (3c, 6f, 6×, 7b) were identified for the first time.
Conclusions:
- Iliac vein variations are relatively common and exhibit gender-specific prevalence.
- Pre-operative identification of iliac venous variations through MDCT is vital for surgical planning.
- Awareness of these anatomical variations can help prevent intraoperative and postoperative complications in pelvic procedures.
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