MR Angiography

A specialized MRI ordered to evaluate arteries.

Indications

  • Aneurysm
  • Stenosis/occlusion related to stroke, or carotid stenosis
  • Dissection (a tear in the artery wall that can cause stroke)
  • AVM's (arteriovenous malformations)

Contrast

MRA - Brain is done without contrast (gadolinium).

Because no contrast is given, it is a good alternative to CT angiography for patients that can't tolerate CT contrast (iodinated contrast.)

MRA - Neck requires gadolinium contrast.
 

MRA of Neck:

MRA of Brain - Abnormal: