CPT2 and short chain acyl-CoA dehydrogenase deficiency: Further, six cases of fatty acid metabolism disorder (1/1,244) were found, including two cases of PCD (1/3,731), two cases of SCADD (1/3,731), one case of carnitine palmitoyltransferase II deficiency (CPT2; 1/7,461), and one case of glutaric acidemia type II (1//7,461).