Radiology Musculoskeletal Radiology 252aeef6 What is the abnormality shown in this shoulder Radiograph? A Anterior Dislocation Of Shoulder B Posterior Dislocation Of Shoulder C Chondrosarcoma D Simple Bone cyst High-Yield Explanation Electric Bulb/Light Bulb Appearance on Shoulder Radiograph Is suggestive of posterior Dislocation of Shoulder.