What iss mra/mr arthrogram?

MRI . After the injection of gadolinium into the joint being examined. See radiologyinfo.Org.
Specific Study. An MR arthrogram is a combination of MRI and an arthrogram, which means a joint study. Your Doctor injects contrast and other medications into the joint space to give better detail of the smaller structures and to diagnose tears of the surrounding capsule or ligaments. This is done together with an MRI study. For more information, google "DrNefcy.com" and click on arthrogram advice.