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Revista de Osteoporosis y Metabolismo Mineral

On-line version ISSN 2173-2345Print version ISSN 1889-836X


HAWKINS CARRANZA, F et al. Thyroid hormones, TSH, thyroid cancer and bones in pre- and postmenopausal women. Rev Osteoporos Metab Miner [online]. 2017, vol.9, n.2, pp.89-101. ISSN 2173-2345.

In recent years, progress has been made in regulating skeletal development and maintenance of bone mass of the adult by the hypothalamus-pituitary-thyroid axis. Studies have been carried out into the effect of thyroid hormones on the osteoblasts, osteoclast and the chondrocyte. This research has led to better genetic knowledge into the physiology of the cellular action of these hormones. Recently, possible D2 deodinase interventions in osteoporosis have been proposed. The link between bone mineral dignity, bone quality and the risk of fractures with thyroid hormones in normal postmenopausal women suggest a role for these hormones, even within the range of normal thyroid, in these diseases.

On the other hand, the incidence of differentiated thyroid cancer, experimental in vivo thyroid hormone suppression by therapy, recurrent disease, has increased significantly. There are management guides, but it is clear that the secondary derivatives require a precise balance-adjusted indication, risk-benefit ratio of thyroid hormone dosage, prescribed long term, especially in cases of low tumor aggressiveness, advanced age and even in fragile patients. High risk patients should be referred for a bone densitometry, to consider treating future fractures. Prevention of osteoporosis, particularly in postmenopausal women, is highly desirable and should include adequate diet in calcium and vitamin D supplementation if necessary. There is still no consensus on osteoporosis treatment in the patient with thyroid cancer and suppressive treatment, but the indicated criteria for postmenopausal osteoporosis seem to be applicable in general.

Keywords : thyroid cancer; dual-photon densitometry; bone mineral density; trabecular bone score; hyperthyroidism and subclinical hypothyroidism; thyrotrophic hormone.

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