Tantalum vascular stents: in vivo evaluation with MR imaging

Radiology. 1989 Mar;170(3 Pt 1):753-5. doi: 10.1148/radiology.170.3.2916029.


Magnetic resonance (MR) imaging at 1.5 T was performed on tantalum vascular stents placed in the aortas of six dogs. The stents produced no significant artifact and allowed for clear depiction of the aortic lumina as flow-void zones with spin-echo imaging and as high-signal areas with gradient-echo imaging. The MR findings correlated with the angiographic studies of the stented vessels. These results demonstrate the feasibility of MR imaging as a noninvasive means of evaluating vessel patency in the presence of tantalum vascular stents.

MeSH terms

  • Animals
  • Aorta, Abdominal / anatomy & histology
  • Blood Vessel Prosthesis*
  • Dogs
  • Magnetic Resonance Imaging*
  • Tantalum*
  • Vascular Patency


  • Tantalum