" /> Hypercalcemia, infantile, 1 - CISMeF





Preferred Label : Hypercalcemia, infantile, 1;

Symbol : HCINF1;

CISMeF acronym : HCINF1;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Hypercalcemia, idiopathic, of infancy;

Description : Infantile hypercalcemia is characterized by severe hypercalcemia, failure to thrive, vomiting, dehydration, and nephrocalcinosis. An epidemic of idiopathic infantile hypercalcemia occurred in the United Kingdom in the 1950s after the implementation of an increased prophylactic dose of vitamin D supplementation; however, the fact that most infants receiving the prophylaxis remained unaffected suggested that an intrinsic hypersensitivity to vitamin D might be implicated in the pathogenesis (summary by Schlingmann et al., 2011).;

Inheritance : Autosomal recessive;

Molecular basis : Caused by mutation in cytochrome P450, family 24, subfamily A, polypeptide-1 gene (CYP24A1, 126065.0001);

Laboratory abnormalities : Hypercalcemia; Hypercalciuria; Dehydration;

Prefixed ID : #143880;

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01/05/2025


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