hrp0094p1-20 | Bone A | ESPE2021

A novel TRPM6 variant (c.3179T>A) causing familial hypomagnesemia with secondary hypocalcemia

Chawla Meghna , Bhardwaj Girish , Patil Atul ,

Familial hypomagnesemia with secondary hypocalcemia (FHSH) is a rare autosomal recessive disorder (OMIM# 602014) caused by mutations in the gene encoding TRPM6 (Transient receptor potential melastatin 6) on chromosome 9q22. This channel causes epithelial absorption of magnesium in the colon and renal distal convoluted tubule. Fewer than 100 cases have been reported in literature. A four year old girl had presented to us with tetany lasting for 30 minutes. Detailed history reve...