Despite the thorough analysis, no known pathogenic variants were found in genes typically associated with Fahr’s syndrome (e.g., XRP1, PDGFRB, JAM2, PDGFB, SLC20A2, or MYORG) or pseudohypoparathyroidism (e.g., GNAS, STX16, or GNASAS1). Here, JAM2 is linked to pseudohypoparathyroidism.