Postmortem cases of late adult onset (age>50 y) Hallervorden–Spatz syndrome
| Study | Age of onset (y) | Age of death (y) | Presenting symptoms | Other features |
| Wanget al 14 | 63 | 68 | Parkinsonism | Dementia |
| Jankovicet al 5 | 55 | 68 | Parkinsonism | Blepharospasm, apraxia of eyelid opening, aphonia, dementia |
| Jelinger et al 15 | 64 | 70 | Parkinsonism | Seizures |
| Evrard et al 16 | 57 | 62 | Gait difficulty | Athetosis, facial immobility, repetitive movements, contractures, ataxia, dementia, seizures |
| Netsy et al 17 | — | 54 | Unsteady gait | Alcohol, tuberculosis, syphilis |
| Dooling1-150 et al 1 | — | 75 | Not thought to have primary neurological disorder | Chronic alcoholism, generalised seizures after cerebrovascular accident |
| Dooling1-150 et al 1 | — | 89 | Dementia |
↵1-150 Limited details given and the patient's specific pathology not described but was part of large postmortem series of Hallervorden–Spatz syndrome