Artefactual basilar artery stenosis due to metallic stent

Case contributed by Dr Chris O'Donnell

Presentation

PH of pontine infarction treated with vascular stent for focal stenosis. New onset of neurological symptoms. ? patency of the stent

Patient Data

Age: 55
Gender: Male

Apparent high grade stenosis in the proximal basilar artery but note rim of low signal intensity on the source MRA images and the susceptibility artefact on the SWI study = metallic stent

CT

CT angiogram used to assess the stent patency

CT angiogram less affected by metallic artefact shows that the stent is patent especially on the curved MPR (arrow)

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Case information

rID: 31206
Case created: 23rd Sep 2014
Last edited: 21st Nov 2015
System: Vascular
Inclusion in quiz mode: Excluded

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