Bone turnover in cortical and trabecular bone in normal women and in women with osteoporosis

O. Israel, R. Lubushitzky, A. Frenkel, G. Iosilevsky, L. Bettman, S. Gips, R. Hardoff, E. Baron, D. Barzilai, G. M. Kolodny, D. Front, H. W. Wahner

Research output: Contribution to journalArticlepeer-review

Abstract

This study is based on the assumption that if bone turnover, shown by the uptake of 99mTc-MDP, indicates a high rate of bone loss in patients with osteoporosis, it could potentially predict bone loss in patients at risk before significant bone loss has occurred. Methods: Quantitative bone SPECT (QBS) using 99mTc-MDP, expressed as the %ID/cc x 10-3, was performed in 71 women who had osteoporosis in the lumbar vertebrae, the femoral neck or both, and in 54 age-matched normal female controls. Of the women with osteoporosis, 42 had postmenopausal osteoporosis and 29 had primary hyperparathyroidism (HPT) and osteoporosis. Results: QBS increased with age in the cortical bone and decreased in the trabecular bone of the normal women. Quantitative bone SPECT in the femoral neck was 3.18 ± 1.20 and was 2.73 ± 1.06 in the femoral shaft in 20 women with postmenopausal osteoporosis of the femoral neck. In 19 women with HPT and osteoporosis of the femoral neck, the QBS value in the femoral neck was 3.57 ± 0.92 and in the femoral shaft 3.38 ± 1.12. These values were also significantly higher for the femoral neck and for the femoral shaft than those of normals. Although QBS values were higher in the lumbar region in 39 women with postmenopausal osteoporosis (4.59 ± 1.45) and in 27 women with HPT (4.30 ± 1.52), as compared with the normal group (4.28 ± 1.61), the difference was not statistically significant. Conclusion: This study shows that bone turnover is significantly higher in the cortical bone of women with osteoporosis than in normal women.

Original languageEnglish
Pages (from-to)1155-1161
Number of pages7
JournalJournal of Nuclear Medicine
Volume35
Issue number7
StatePublished - 1994
Externally publishedYes

Keywords

  • SPECT
  • bone metabolism
  • osteoporosis

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