XPR1 and bilateral striopallidodentate calcinosis: Typically, PFBC is inherited in an autosomal dominant manner (AD-PFBC); to date, four autosomal dominant PFBC-associated genes have been identified, including SLC20A2, PDGFRB, PDGFB, and XPR1 (Wang et al., 2012; Nicolas et al., 2013b; Keller et al., 2013; Legati et al., 2015).