Clin Osteol 2018; 23(3): 100-104
Kostné prejavy porúch štítnej žľazyReview articles
- 1 -1st Department of Medicine, Semmelweis University, Budapest, Hungary
- 2 Department of Pharmacology, Northwestern University, Chicago, IL, USA
Hormóny štítnej žľazy ovplyvňujú metabolizmus, proliferáciu a diferenciáciu každej bunky v tele a kostné tkanivo nie z tohto pravidla žiadnou výnimkou. Tyroxín ovplyvňuje všetky typy kostných buniek, od osteoblastov a osteocytov až po chondrocyty a osteoklasty. Neprekvapuje preto, že rôzne narušenia funkcie štítnej žľazy môžu mať pre kostru mladistvého i zrelého človeka celý rad následkov. Niektoré z týchto porúch funkcie štítnej žľazy, ako je rezistencia na tyreoidálne hormóny (RTH), sú pomerne vzácne, zatiaľ čo iné patria medzi najzvyčajnejšie endokrinopatie ako aj u detí, tak aj u dospelých. Napríklad hypertyreóza je jednou z najčastejších príčin sekundárnej osteoporózy, pričom v posledných rokoch je aj kolísanie v normálnej funkcii štítnej žľazy spojované s rizikom zlomeniny. Pre praktikujúceho osteológa je teda nevyhnutné sa dôkladne zoznámiť so vzťahom, ktorý jestvuje medzi rôznymi ochoreniami štítnej žľazy a stavom kostí. V našom príspevku zhŕňame základne poznatky o bunkovom pôsobení tyreoidálnych hormónov, o ich úlohe pri regulácii kostného metabolizmu aj klinický význam najčastejších porúch funkcie štítnej žľazy pre každodennú prax.
Keywords: endokrinopatie; hormóny štítnej žlazy; hypertyreóza; kostný metaboizmus; sekundárna osteoporóza; tyreopatire; tyroxín
Published: December 11, 2018 Show citation
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