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Retroaortic left renal vein: an interpretive pitfall on computed tomography.
The Journal of Computed Tomography
|January 1, 1986
Summary
A rare retroaortic left renal vein anomaly was identified. Computed tomography imaging clearly showed its unique caudal course and retroaortic path to the inferior vena cava.
Area of Science:
- Vascular anatomy
- Medical imaging
- Radiology
Background:
- Congenital vascular anomalies can present with variations in venous drainage.
- The left renal vein typically drains anterior to the aorta.
- Retroaortic left renal vein is a rare anatomical variation.
Observation:
- A computed tomography (CT) scan revealed a patient with a retroaortic left renal vein.
- The anomalous vein followed a caudal path before crossing posteriorly.
- It ultimately joined the inferior vena cava in a retroaortic manner.
Findings:
- The observed retroaortic left renal vein exhibited a distinct anatomical course compared to previously reported cases.
- Computed tomography provided detailed visualization of this vascular anomaly.
- Postcontrast dynamic CT scanning proved valuable for delineating the anomaly's specifics.
Implications:
- Accurate identification of vascular anomalies is crucial for surgical planning and avoiding complications.
- Computed tomography is an effective modality for characterizing complex vascular variations.
- This case expands the understanding of anatomical variations in renal venous drainage.