MCL injury elbow

The elbow:

review of anatomy and common collateral ligament complex pathology using MRI. Two different patients with chronic elbow pain and medial instability. Coronal FS PD-weighted MRI (a) showing a chronically thickened anterior bundle of the medial collateral ligament (white arrowhead). Coronal FS PD-weighted MRI (b) showing a chronically thickened anterior bundle of the medial collateral ligament (white arrow), and a deformity of the sublime tubercle due to malunion of an old fracture (white asterisk)