![](https://www.endotext.org/wp-content/uploads/2017/01/etx-pth-ch5-figure3.jpg)
Figure 3. Conservative vs Surgical Management of Primary Hyperparathyroidism: changes in bone mineral density. Data shown are the cumulative percentage changes from baseline over 15 years of follow-up in patients who did not undergo parathyroidectomy and in those who underwent parathyroidectomy. (Reprinted with permission from reference #206)