What is the definition or description of: shoulder mri arthrogram?

MRI +: This is an MRI where a needle is used to inject some dilute fluid into the shoulder joint to improve the accuracy of the study for partial rotator cuff tears, capsule tears, labrum tears etc. Sometimes a facility with do an MRI without the contrast and then another with the contrast for comparison to even improve accuracy further.

Easy: Arthrogram means immaging of a joint with a contrast material injected into the joint. It coats all the surfaces so they are able to be well evaluated and also will show any leaks in the joint. A leak in shoulders are usualy rotator cuff tears. Thi injected contrast is gadolinium which does not have magnetic properties so allow no interference with the immaging.

Injection: Injection of contrast into shoulder joint followed by an mri.