A well-circumscribed soft tissue lesion is noted at the posteromedial aspect of right elbow joint, with heterogeneous texture of bright T2 and STIR signal, low signal intensity on T1 and shows multiple small cystic areas. Post-contrast enhancement is noted. It is measuring 2.5 x 2.3 x 4 cm in AP, SS and CC dimensions. It abuts the medial aspect of triceps tendon from its myotendinous junction till its insertion. It abuts the posteromedial aspect of lower humerus with no bone changes or surrounding soft tissue changes. The ulnar nerve is stretched over its medial margin, very superficial in location, just under the skin surface.