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  • Title: [Assessment of parathyroid gland function: predictive value of a nomogram].
    Author: Villiger L, Eichenberger A, Casez JP, Hess B, Takkinen R, Jaeger P.
    Journal: Schweiz Rundsch Med Prax; 1994 Mar 15; 83(11):295-9. PubMed ID: 8153507.
    Abstract:
    Recent developments in measurement of intact parathormone (PTH) has enabled to generate a nomogram for parathyroid function. Blood levels of PTH can thus be interpreted in relation to calcemia. Intact PTH and calcium were assayed in blood from 99 healthy subjects studied under fasting conditions; 26 subjects were also studied during hyper- and hypocalcemia, induced by calcium and EDTA infusions, respectively. Serum levels of intact PTH which had been obtained in 99 patients were then analysed retrospectively by comparison with the nomogram. Patients whose intact PTH levels lie above the normal zone of the nomogram produce too much PTH relative to the blood calcium level (hyperparathyroidism); those falling under the normal zone produce too little (hypoparathyroidism).
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