Lab Studies:
None
Other Studies:
Magnetic resonance angiography (MRA): Left external iliac artery endofibrosis with 3 mm narrowing. All other vasculature was patent and normal. <a href="CaseStudyImages/CS1ARareCauseofUnila-1306.jpg" title="Case Photo #1" data-lity><b>Case Photo #1</b></a>
<br>
<br>Computed tomography angiography (CTA) abdomen/pelvis: Normal arterial vasculature with no narrowing.
<br> <a href="CaseStudyImages/CS2CS1ARareCauseofUn-1306.jpg" title="Case Photo #2" data-lity><b>Case Photo #2</b></a>
<br>
<br>Resting and post-exercise ankle-brachial index (ABI): Resting: R 1.11 L 1.05; Post-exercise: R 1.01 L 0.27 (delta of 0.78).
<br> <a href="CaseStudyImages/CS3CS2CS1ARareCauseo-1306.jpg" title="Case Photo #3" data-lity><b>Case Photo #3</b></a>
<br>
<br>Arterial duplex ultrasound: Left lower extremity: Normal resting duplex. Post exercise iliac artery duplex shows elevated velocity with abnormal waveforms. Vessel also appears to be narrowed.
Consultations:
Vascular Surgery
Click here to continue. Challenge yourself by writing down a revised, working diagnosis before moving to the next slide.