24 歲男性病人主訴左肩部長期疼痛。圖A 為本次就診之X 光攝影,圖B 為三個月前之X 光攝影。最可能的診斷為:
Chronic injury of left supraspinatus tendon
Chronic anterior dislocation of left shoulder
Chronic posterior dislocation of left shoulder
Avascular necrosis of left humeral head