Duplicate inferior vena cava

Case contributed by Dr Vikas Shah

Presentation

CT colon for investigation of iron deficiency anaemia

Patient Data

Age: 70 years
Gender: Male
Modality: CT

There is no colonic polyp or mass. 

Incidental finding of duplicate IVC. The left common iliac vein continues as the left IVC, receives the left renal vein and then drains into the inferior vena cava. There is no associated abnormality of the kidneys.

Case Discussion

It is important to recognise and report a duplicated IVC as it has implications for future vascular interventions. For example, were IVC filters required, two would need to be placed.

In this particular case, there is no associated renal abnormality such as horseshoe kidney.

This case also illustrates the use of faecal tagging in CT colonography. Gastrografin is used due its tagging and mild laxative qualities. True lesions are differentiated from faeces as they won't be tagged and will appear homogeneously of soft tissue density.

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Case Information

rID: 49856
Case created: 6th Dec 2016
Last edited: 26th Jan 2017
Inclusion in quiz mode: Excluded

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