Aggressive posttraumatic osteoporosis of the humerus simulating a malignant neoplasm

Eleven patients with an unusual, moth-eaten, destructive lesion in the humerus simulating a malignant neoplasm are presented. The radiographic changes developed over an extended period after trauma. This pattern of posttraumatic osteoporosis can easily be mistaken for a malignancy. An awareness of the entity helps one to make the correct diagnosis. Also, certain helpful hints are pointed out.