PANK2 and neurodegeneration with brain iron accumulation: These underlying conditions range from acquired causes, such as dyskinetic cerebral palsy, to monogenic disorders, including isolated genetic dystonia (i.e., DYT-TOR1A), combined dystonia (i.e., DYT/PARK-TH and PKDYS1), and complex dystonia (including inherited metabolic disorders such as glutaric aciduria type 1, LND, NBIA/DYT-PANK2) [5,224].