NCIt related terms : Familial Benign Hypercalcemia;
NCIt definition : A hereditary condition caused by calcium sensing receptor gene mutations, resulting
in calcium-hyposensitivity, and compensatory hypercalcemia and hypocalciuria.;
Alternative definition : NICHD: Familial hypocalciuric hypercalcemia types 1,2, and 3 are a group of autosomal
dominant conditions due to loss of function mutation(s) of the CASR, GNA11, and AP2S1
genes, respectively. These genes encode the extracellular calcium-sensing receptor,
the guanine nucleotide-binding protein subunit alpha-11, and the AP-2 complex subunit
sigma. The condition is characterized by inappropriately low urinary calcium excretion
and parathyroid hormone concentration in the presence of mild hypercalcemia.;