Clinical characteristics and brain PET findings in 3 cases of dissociative amnesia: disproportionate retrograde deficit and posterior middle temporal gyrus hypometabolism.

Background: Precipitated by psychological stress, dissociative amnesia occurs in the absence of identifiable brain damage. Its clinical characteristics and functional neural basis are still a matter of controversy.

Methods: In the present paper, we report 3 cases of retrograde autobiographical amnesia, characterized by an acute onset concomitant with emotional/neurological precipitants.

[Diagnosis contribution of biomarkers in Alzheimer disease: A case of frontotemporal dementia].

Introduction: Cerebrospinal fluid biomarkers are a fundamental contribution for the diagnosis of Alzheimer disease, in particular for young people.

Case Report: We report a case of Alzheimer disease of a 51-years old man whose clinical presentation corresponded to frontotemporal behavioural criteria. The clinical evaluation noticed some troubles in verbal memory.

[Atypical Lewy body disease revealed by burning mouth syndrome and a pseudo-psychiatric syndrome].

Introduction: Among the degenerative diseases of the nervous system, Lewy body disease has the most psychiatric symptoms especially hallucinations, delusion and identification disorders.

Case Report: We report a case of Lewy body disease that started with a burning mouth syndrome for three year as the only symptom before the development of a pseudo-psychiatric syndrome (melancholy and Capgras). None of the usual cardinal criteria were present.