Figure 1: (a)Anterior-posterior and y-view radiographs of the right shoulder at initial presentation indicating a valgus-impacted humeral head fragment and doubtful partial osteonecrosis of the humeral head Figure 1: (b) MRI showing extensive cystic changes within the humeral head; (c) 99mTc-HDP-SPECT/CT showing decreased uptake of the humeral head fragment indicating a humeral head necrosis