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Updated: Jul 19, 2026

A Multicenter MRI Protocol for the Evaluation and Quantification of Deep Vein Thrombosis
Published on: June 2, 2015
Venous variants and anomalies on routine abdominal multi-detector row CT
Zafer Koc1, Serife Ulusan, Levent Oguzkurt
1Başkent University, School of Medicine, Department of Radiology, Adana, Turkey. koczafer@gmail.com
Abdominal vein variations are common, with hepatic vein and multiple right renal vein anomalies more frequent in women. Routine CT effectively identifies these anatomical differences.
Area of Science:
- Radiology and Medical Imaging
- Anatomy
- Vascular Surgery
Background:
- Anatomical variations in abdominal veins are frequently encountered.
- Understanding these variations is crucial for surgical planning and interpreting imaging studies.
Purpose of the Study:
- To determine the prevalence and types of anatomical variations in hepatic, portal, inferior vena cava, and renal veins.
- To investigate statistical correlations between these anomalies and sex differences.
Main Methods:
- Multi-detector row computed tomography (CT) was used to evaluate 1120 patients (588 men, 532 women).
- Frequencies of different venous variants were recorded and compared between sexes.
- Correlations between variation categories were statistically analyzed.
Main Results:
- 1261 abdominal vein variants were identified in 756 (67.5%) patients.
- Hepatic vein variants occurred in 41.8%, portal vein variations in 27.4%, and inferior vena cava/renal vein variants in 23%.
- Hepatic vein variants and multiple right renal veins were more prevalent in women.
Conclusions:
- Abdominal vein variations are highly prevalent and well-visualized with routine CT.
- Hepatic vein variants and multiple right renal veins show a higher frequency in females.
- Hepatic vein variation is correlated with portal vein variation.
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