Clin Osteol 2025; 30(2): 77-81
Kostní metabolismus u primární hyperparatyreózyHlavní téma
- Interní klinika, Osteocentrum, Ústřední vojenská nemocnice - Vojenská fakultní nemocnice, Praha
Primární hyperparatyreóza je generalizovaná porucha kalcium-fosfátového metabolismu se vzrůstající incidencí. Dlouhodobá nadprodukce parathormonu s různým stupněm hyperkalcemie a hyperkalciurie může vést k široké škále komplikací, od život-ohrožující hyperkalcemické krize, přes difuzní postižení ledvin, až ke neurokognitivním, metabolickým a kardiovaskulárním abnormalitám. Kostní postižení, způsobené převahou osteoresorpce nad novotvorbou, je charakteristické snížením kostní denzity, porušenou mikroarchitektonikou kosti a zvýšeným rizikem vertebrálních i nevertebrálních zlomenin. Vystupňované formy kostního postižení s tvorbou obrovských cyst imitujících metastázy nebo primární kostní tumory jsou spíše vzácností. V současné době převládá záchyt asymptomatických forem onemocnění, které však zvyšují nároky na lokalizační diagnostiku, indikační kritéria k chirurgickému řešení a možnosti konzervativní terapie.
Klíčová slova: primární hyperparatyreóza, parathormon, kostní metabolismus, konzervativní léčba, osteitis fibrosa cystica.
Bone metabolism in primary hyperparathyroidism
Primary hyperparathyroidism is a generalized disorder of calcium-phosphate metabolism with an increasing incidence. Long-term overproduction of parathyroid hormone with varying degrees of hypercalcemia and hypercalciuria leads to a wide range of complications, from life-threatening hypercalcemic crisis, through diffuse kidney damage, to neurocognitive, metabolic and cardiovascular abnormalities. Bone damage, caused by the predominance of osteoresorption over new formation, is characterized by reduced bone density, impaired bone microarchitecture and an increased risk of vertebral and non-vertebral fractures. Advanced forms of bone damage with the formation of giant cysts imitating metastases or primary bone tumors are rare. Currently, asymptomatic forms of the disease are prevalent, which, however, increase the demands on localization diagnostics, indication criteria for surgical treatment and options for conservative therapy.
Keywords: primary hyperparathyroidism, parathyroid hormone, bone metabolism, conservative treatment, osteitis fibrosa cystica.
Zveřejněno: 1. červen 2025 Zobrazit citaci
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