Practice DXAs
Case 2
Situation:
76-year-old female with known osteopenia. Intolerant of estrogen, alendronate, and raloxifene. Last DXA obtained 15 months ago.
Risk Factors:
- Personal history of fracture
- Weight 123 lbs.
DXA Report:
Average bone mineral density of L1 through L4 is 0.810 grams/cm2. Values are 104 percent that of age matched mean (0.31 SD above 76-year-old mean) and 77 percent that of young-normal mean (2.16 SD below 30-year-old mean).
Average bone mineral density of the left hip is 0.638 grams/cm2. Values are 89 percent that of age-matched mean (0.64 SD below 76-year-old mean), and 68 percent that of young-normal mean (2.49 SD below 25-year-old mean). Average bone mineral density for the left femoral neck is -2.48 SD below 25-year-old mean.
Density of the lumbar spine decreased by 3.2 percent over 15 months, or 2.70 percent per year. Density of the left hip decreased by 3.8 percent over 15 months, or 3.24 percent per year.
Does she have osteoporosis, osteopenia, or normal bone density? Has her bone mineral density changed significantly? Would you treat this patient with medications for low bone density?
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