Serum Parathormone and Urinary and Nephrogenous Cyclic Amp in Idiopathic Hypercalciuria and in Primary Hyperparathyroidism
The mechanisms of idiopathic hypercalciuria (IH) in man are controversial. Primary hyperabsorption1 or a renal tubular leak of calcium2 have both been suggested. Reduced3 or increased4 parathyroid gland (PTG)activity has been described5−7. The purpose of this study was to evaluate PTG activity in hypercalciuric (HC) stone formers and to investigate the effect of various calcium intakes. In order to test the diagnostic validity of the adopted procedure, the results were compared with those obtained in a group of patients surgically proven to have primary hyperparathyroidism (HPT) with frank or intermittent hypercalcemia.
KeywordsPrimary Hyperparathyroidism Idiopathic Hypercalciuria Fasting Urine Renal Leak Relate Clinical Research
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