دورية أكاديمية
Long-term follow up after denosumab treatment for osteoporosis – rebound associated with hypercalcemia, parathyroid hyperplasia, severe bone mineral density loss, and multiple fractures: a case report
| العنوان: | Long-term follow up after denosumab treatment for osteoporosis – rebound associated with hypercalcemia, parathyroid hyperplasia, severe bone mineral density loss, and multiple fractures: a case report |
|---|---|
| المؤلفون: | Yves Maugars, Pascale Guillot, Joëlle Glémarec, Jean-Marie Berthelot, Benoit Le Goff, Christelle Darrieutort-Laffite |
| المصدر: | Journal of Medical Case Reports, Vol 14, Iss 1, Pp 1-7 (2020) |
| بيانات النشر: | BMC, 2020. |
| سنة النشر: | 2020 |
| المجموعة: | LCC:Medicine |
| مصطلحات موضوعية: | Osteoporosis, Denosumab rebound, Fracture, Hypercalcemia, Hyperparathyroidism, Medicine |
| الوصف: | Abstract Background The rebound effect after stopping treatment with denosumab may be associated with rapid loss of the gains in bone mineral density achieved with treatment, high levels of bone remodeling markers, the occurrence of vertebral fractures, and even hypercalcemia. Case presentation A 64-year-old osteoporotic Caucasian woman suffered from a fracture of her second lumbar vertebra in 2004. From January 2005, she was treated with denosumab for 9 years, with good densitometry results for her hip and lumbar areas, and no fractures over the last 6 years of treatment. Ten months after the treatment with denosumab was stopped, a cascade of vertebral fractures, including some in unusual locations (third thoracic vertebra), and multiple rib fractures in a context of hypercalcemia, suggested possible malignancy. A complete evaluation, including systemic, biological, and biopsy analyses, ruled out this hypothesis. The hypercalcemia was associated with normal plasma phosphate and vitamin D concentrations, and a high parathyroid hormone level, with an abnormal fixation of the lower lobe of the thyroid on sesta-methoxy-isobutyl-isonitrile scintigraphy. Histological analysis of the excised parathyroid tissue revealed hyperplasia. The associated thyroidectomy (goiter) led to the discovery of a thyroid papillary microcarcinoma. Conclusions We consider the consequences of this rebound effect, not only in terms of the major loss of bone density (return to basal values within 3 years) and the multiple disabling fracture episodes, but also in terms of the hypercalcemia observed in association with apparently autonomous tertiary hyperparathyroidism. Several cases of spontaneous reversion have been reported in children, but the intervention in our patient precluded any assessment of the possible natural course. The discovery of an associated thyroid neoplasm appears to be fortuitous. Better understanding of the various presentations of the rebound effect after stopping treatment with denosumab would improve diagnostic management of misleading forms, as in this case. Bisphosphonates could partially prevent this rebound effect. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 1752-1947 |
| العلاقة: | http://link.springer.com/article/10.1186/s13256-020-02401-0Test; https://doaj.org/toc/1752-1947Test |
| DOI: | 10.1186/s13256-020-02401-0 |
| الوصول الحر: | https://doaj.org/article/2aa7eb9965a0448c98dcb1d8a7eb6751Test |
| رقم الانضمام: | edsdoj.2aa7eb9965a0448c98dcb1d8a7eb6751 |
| قاعدة البيانات: | Directory of Open Access Journals |
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