Osteochondromas have a low rate of malignancy ( < 1 % ) and resection of the tumor is suggested if symptoms such as pain, limitation of movement, or impingement on nerves or vessels occur.
12.
They also ruled out osteochondroma because the axis of the spur is 25 degrees relative to the vertical axis of the humerus, whereas an osteochondroma would have formed at 90 degrees to the axis of the humerus.
13.
They also ruled out osteochondroma because the axis of the spur is 25 degrees relative to the vertical axis of the humerus, whereas an osteochondroma would have formed at 90 degrees to the axis of the humerus.