Abdominal Aortic Aneurysm with Stent - Case Study

Courtesy of Dr. W. Dennis Foley
Froedtert Memorial Lutheran Hospital, Medical College of Wisconsin, Milwaukee, WI USA

Abdominal Aortic Aneurysm with Stent

Volume rendering of the anatomy.   Axial reformat of 5 mm demonstrating the aneurysm
Volume rendering of the anatomy.
   Axial reformat of 5 mm demonstrating the aneurysm, gallstones and a renal cyst.

Clinical Background

  • 78-year-old male with an initial Ancure Aortobiliac graft placement with internal wall stents performed in 2002.
  • First follow-up study post trans-femoral perigraft iliolumbar artery catheterization for the treatment of a Type B endoleak.

Volume rendering of aorta with endograft.
Axial reformat of 5 mm demonstrating femoral artery
Volume rendering of aorta with the skeletal anatomy
Volume rendering of aorta with endograft.
 Axial reformat of 5 mm demonstrating femoral artery enhancement and soft tissue detail in the pelvic region. Volume rendering of aorta with the skeletal anatomy with user-selected transparency.

Diagnosis

  • Stable appearance of endograft.
  • No endoleak.
  • Stable aneurysm sac dimensions.
  • With its fast coverage speed and the efficient utilization of contrast agent, LightSpeed VCT enabled the diagnosis with improved confidence.

Scan Technique

  • Detector Configuration: 64 x 0.625 mm at 40 mm coverage per rotation
  • Gantry Rotation: 0.6 sec
  • Scan Time: 4.7 sec
  • Pitch: 1.375
  • Scan Coverage: 369 mm
  • Contrast: 107 cc @ 5 cc/sec with 30 cc saline push

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