Since 2012, mutations in 6 genes have been associated with PFBC, including the 4 autosomal dominant genes SLC20A2, PDGFRB, PDGFB, and XPR1, and the 2 autosomal recessive genes MYORG and JAM2 [11, 21–25]. Here, JAM2 is linked to bilateral striopallidodentate calcinosis.