Familial Hypomagnesemia with Hypercalciuria, Nephrocalcinosis, and Bilateral Chorioretinal Atrophy in a Patient with Homozygous p.G75S Variant in CLDN19
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Introduction Familial hypomagnesemia with hypercalciuria and nephrocalcinosis (FHHNC) is a rare disorder caused by perturbation in renal reabsorption of magnesium and calcium. Biallelic pathogenic variants either in gene CLDN16 or CLDN19 are responsible for mo... ...