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  • Title: Is there any connection between the presence of kidney stones in primary hyperparathyroidism and the location of an underlying adenoma?
    Author: Csupor E, Toth E, Meszaros S, Ferencz V, Szucs J, Lakatos P, Horányi J, Perner F, Horvath C.
    Journal: Exp Clin Endocrinol Diabetes; 2005 May; 113(5):257-61. PubMed ID: 15926110.
    Abstract:
    The majority of the patients with primary hyperparathyroidism (pHPT) recurrently produce kidney stones, while the rest have other clinical manifestations. The aim of this study was to examine the possibility of an association between the presence of kidney stones and the location of an underlying adenoma. This was a retrospective evaluation of the records of 91 patients (10 males, 81 females, mean age: 61.9 years [20 - 70 yrs]) operated for primary hyperparathyroidism between 1995 and 2000. One patient was excluded due to carcinoma. Kidney stones were found in 55 cases and other clinical symptoms in 35 cases. In 50 of the 55 patients (91 %) with kidney stones, the adenoma was located in the left inferior parathyroid gland (chi2 = 67.5, p < 0.00,001), while in 24 of the 35 patients (69 %) without kidney stones, the adenoma was in the right inferior parathyroid gland (chi2 = 43.9, p < 0.0001). These results suggest that the location of the adenoma may influence the presence of kidney stones in pHPT. It is proposed that the biologic effects of parathyroid hormone could differ depending on which of the four parathyroid glands it was secreted in, or the four glands may produce different biologically active fragments.
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