Endocrine Abstracts

Introduction: Parathyroid carcinoma (PC) occurs in 0.005% of all malignant tumors and in less than 1% in primary hyperparathyroidism (PHPT), but recent reports indicate increasing incidence of PC.Aim: To estimate the prevalence of PC in Russia and to identify its distinctive characteristics relevant as preoperative markers.Material and methods: We conducted a retrospective study based on the online Russian Registry of 3061 patients...