Thrombosed left-sided (transposed) IVC filter

Case contributed by Dr Chris O'Donnell

Presentation

Abdominal pain and leg swelling months after insertion of IVC filter for recurrent PE

Patient Data

Age: 70
Gender: Male

Left-sided IVC with a filter in the IVC terminating at the left renal vein and IVC as it crosses to the right.  Filling defect (consistent with thrmobus) in the IVC proximal to the filter extending into the iliac veins, best seen on the arterial but confirmed on the portal venous phase.

Case Discussion

It is important to differentiate flow phenomena (mixing of contrast opacified and unopacified blood) in the IVC from clot.  This is more difficult in the early phases of dynamic scanning thus persistent filling defect = clot should be confirmed on later venous phases.  IVC filters are prone to thrombosis that can propagate distally.

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Case information

rID: 42791
Case created: 8th Feb 2016
Last edited: 3rd Mar 2016
Inclusion in quiz mode: Included

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