Reduplicative paramnesia as an atypical form of presentation of a Heidenhain variant of Creutzfeldt-Jakob disease: A case report.

A previously healthy woman began to present recurrent episodes of reduplicative paramnesia within her home and later structured visual hallucinations. The case was initially oriented as an incipient vascular dementia. Detailed anamnesis and neuropsychological examination suggested a rapidly progressive pattern of neuropsychological deficits mostly attributable to parieto-occipital disturbances with some component of fronto-temporal involvement.

Is conventional brain MRI useful for the diagnosis of cluster headache in patients who meet ICHD-3 criteria? Experience in three hospitals in Spain.

Objective: To assess the frequency of symptomatic structural lesions and the diagnostic yield of conventional brain MRI in cluster headache (CH).

Background: In contrast to migraine, brain MRI is recommended in patients with CH to exclude potential mimics. The prevalence of symptomatic CH is not known.