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[Left caudal vena cava: report of a case]
B Lengele1, J N Beck, R Materne
1Unité d'Anatomie humaine de la Faculté de Médecine de l'Université de Louvain (UCL).
Archives D'Anatomie, D'Histologie Et D'Embryologie Normales Et Experimentales
|January 1, 1991
Summary
A rare anatomical variation shows the inferior vena cava positioned to the left of the abdominal aorta. This case highlights a persistent rudimentary right inferior vena cava, offering insights into embryonic development.
Area of Science:
- Anatomy
- Embryology
- Vascular Biology
Background:
- The inferior vena cava (IVC) is a major vein that returns deoxygenated blood from the lower and middle body into the right atrium of the heart.
- Anatomical variations in the IVC, though uncommon, can have significant clinical implications.
Observation:
- A 70-year-old Caucasian male presented with an unusual anatomical configuration.
- The infrarenal portion of the inferior vena cava was observed on the left side of the abdominal aorta.
- No other anomalies in the abdominal viscera positioning were noted.
Findings:
- The observed left-sided inferior vena cava was associated with a persistent rudimentary right inferior vena cava.
- This rudimentary vessel corresponds to the right supracardinal vein.
- The findings suggest a specific embryonic developmental pathway leading to this vascular anomaly.
Implications:
- Understanding this anatomical variation is crucial for accurate interpretation of medical imaging.
- Awareness of such anomalies can prevent misdiagnosis and guide surgical planning.
- This case contributes to the knowledge of IVC developmental embryology and its clinical relevance.