Osteomalacia can be difficult to diagnose. To pinpoint the cause and to rule out other bone disorders, such as osteoporosis, you might undergo one or more of the following tests:
- Blood and urine tests. These help detect low levels of vitamin D and problems with calcium and phosphorus.
- X-rays. Slight cracks in your bones that are visible on X-rays are characteristic of osteomalacia.
- Bone biopsy. Using general anesthesia, a surgeon inserts a slender needle through your skin and into your pelvic bone above the hip to withdraw a small sample of bone. Although a bone biopsy is accurate in detecting osteomalacia, it's rarely needed to make the diagnosis.
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