Aceruloplasminemia (ACP) is an autosomal recessive disorder associated with severe iron deposition in visceral organ and brain tissues. The clinical symptoms are progressive dementia, extrapyramidal disorders, cerebellar ataxia, and diabetes mellitus. The symptoms appear when patients are between 30 and 50 years old. Patients have serum ceruloplasmin deficiencies and increased serum ferritin concentrations. The genetic defects in the ceruloplasmin gene has been identified in the patients.