MRI scans, CT scans, x-rays, and bone scans are needed ... Also known as osteonecrosis, bone infarction, and aseptic necrosis ...

The researchers found that within one year of CT, there were 2,766 and 613 (0.6 and 0.3%) hip and 23,889 and 5,222 (5.3 and 2.5%) spine fragility fractures in the noncontrast and contrast CT ...