What can be seen on MRI for rotator cuff injuries?

Several things. Mri of the shoulder can demonstrate partial and complete rotator cuff tears, bursitis, bicipital tendon tears, labral tears, bone lesions, arthritis, and soft tissue masses.
Confirm Diagnosis. In addition to dr. Ghani's answer, i would add that it is important to establish a clear clinical diagnosis prior to doing an MRI because the possibility of false positives and negatives can be problematic if the MRI is used as the sole guide to determine treatment. Learn more about rotator cuff here: http://theshouldercenter.Com/rotator-cuff-tear.Htm.