SLC20A2 and bilateral striopallidodentate calcinosis: Mutations in several genes, including SLC20A2, PDGFB, PDGFRB, XPR1, or MYORG, cause autosomal-dominantly or -recessively inherited PFBC [1] with symmetrical perivascular calcifications in the basal ganglia, thalamus, cerebellum, and cortical and subcortical areas [2].