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Medicina (Buenos Aires)
versión impresa ISSN 0025-7680versión On-line ISSN 1669-9106
Resumen
SARLI, Marcelo; FRADINGER, Erich y ZANCHETTA, José. Hypocalciuric hypercalcemia due to de novo mutation of the calcium sensing receptor. Medicina (B. Aires) [online]. 2004, vol.64, n.4, pp.337-339. ISSN 0025-7680.
The aim of this paper is to refer the unusual case of a 34 years old woman who consulted because of asymptomatic hypercalcemia, detected in a biochemical routine examination. The elevated values of serum calcium without blunted parathyroid hormone secretion suggested a parathyroid pathology. The concomitance of hypocalciuria with hypercalcemia and a calcium clearance/creatinine clearance ratio less than 0.01 reverted the diagnosis of familial hypocalciuric hypercalcemia, the first option. The absence of familial background led to the molecular study of the patient and her family. The latter confirmed the diagnosis of a de novo inactivating mutation of the calcium sensing receptor. Details on the molecular study and a brief review of this subject are included.
Palabras clave : Familial hypocalciuric hypercalcemia; Calcium sensing receptor mutations.