Female 32 years old Reason: evaluate right arm mass History: tingling and numbness of right hand There is a homogeneous, ovoid mass in in the subcapsular deltoid space immediately adjacent to subcutaneous fat which follows fat on all sequences with no appreciable enhancement on postcontrast images measuring 6 x 3 cm in axial dimension and approximately 6 cm in craniocaudal dimension. Osteophyte formation and T2 hyperintense edema signal at the acromioclavicular joint indicating osteoarthritis. The rotator cuff appears intact. No muscle atrophy is noted about the shoulder. No axillary lymphadenopathy.
Findings consistent with subcapsular lipoma in the right deltoid.