Search results for " PHENOTYPE VARIABILITY"

VDR MUTATION IN TWO SISTERS: PHENOTYPE VARIABILITY AND CLINICAL OUTCOME

2017

Objectives: Hereditary vitamin D-resistant rickets (HVDRR) is an autosomal recessive disease secondary to the mutation of vitamin D receptor (VDR) gene. These children show an early onset of rickets and in some of them alopecia is associated. Methods: We describe clinical features and laboratory findings in two sisters affected by HVDRR, as well as their response to treatment. Results: The first born is now 4 years old and had a severe and resistant hypocalcaemia, with low response to high doses of calcium per os, the requirement of intravenous infusion of calcium for a prolonged period, hypocalcaemic seizures resolved with high doses of intravenous calcium and high doses of vitamin D. Clin…