A case of hyperphosphatemic familial tumoral calcinosis due to maternal uniparental disomy of a GALNT3 variant
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Hyperphosphatemic familial tumoral calcinosis (HFTC) is a rare, inherited autosomal recessive disorder caused by fibroblast growth factor-23 (FGF23), N-acetylgalactosaminyltransferase 3 (GALNT3), or Klotho (KL) gene variants. Here, we report the case of a Japa... ...