USMLE® Step 1 style questions USMLE
USMLE® Step 2 style questions USMLE
A 23-year-old man is brought to the emergency department because of right shoulder pain. Patient holds his right arm slightly abducted and externally rotated, supported by the other limb. Physical examination shows slightly decreased sensation over the regimental patch area of his right shoulder. An x-ray is shown below. Which of the following is the most likely cause of this patient's condition?