Patent abdominal subcutaneous veins caused by congenital absence of the inferior vena cava: a case report
Patent paraumbilical and abdominal subcutaneous veins are found frequently as collaterals in patients due to portal hypertension mainly in liver cirrhosis.
For evaluation of portal hypertension in a 72-year-old Caucasian man without liver cirrhosis, magnetic resonance imaging with gadolinium contrast-enhancement was performed and demonstrated a missing inferior vena cava. A blood return from the lower extremities was shown through enlarged collateral veins of the abdominal wall, vena azygos and hemiazygos continuation, and multiple liver veins emptying into the right cardiac atrium. We describe a rare case of abdominal subcutaneous wall veins as collaterals caused by a congenitally absent infrarenal inferior vena cava with preservation of a hypoplastic suprarenal segment.
Knowledge of these congenital variations can be of clinical importance and it is imperative for the reporting radiologist to identify these anomalies as they can have a significant impact on the clinical management of the patient.
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- Patent abdominal subcutaneous veins caused by congenital absence of the inferior vena cava: a case report
- Open Access
- Available under Open Access This content is freely available online to anyone, anywhere at any time.
Journal of Medical Case Reports
- Online Date
- July 2010
- Online ISSN
- BioMed Central
- Additional Links
- Author Affiliations
- 1. Department of Internal Medicine, Medical University of Graz, Auenbruggerplatz 15, A-8036, Graz, Austria
- 2. Practice for General Internal Medicine, Hauptstrasse 5, A-8940, Liezen, Austria
- 3. Diagnostikum Sued-West, Weblinger Guertel 25, A-8054, Graz, Austria
- 4. Centre of Physiological Medicine, Institute of Physiological Chemistry, Harrachgasse 21/II, A-8010, Graz, Austria
- 5. Centre for Molecular Medicine, Institute of Pathophysiology, Heinrichstrasse 31a, A-8010, Graz, Austria