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Revista chilena de neuro-psiquiatría

versión On-line ISSN 0717-9227


PAVEZ R., Axel; DELGADO D., Carolina  y  MARTINEZ S., Melissa. Memory complaints in behavioral variant frontotemporal dementia: a case report. Rev. chil. neuro-psiquiatr. [online]. 2018, vol.56, n.1, pp.57-63. ISSN 0717-9227.


Frontotemporal lobar degeneration (FTLD) is a term that encompasses different neurodegenerative clinical entities that compromise the frontal and temporal lobes, being the behavioral variant the most frequent presentation. This is characterized by behavioral and cognitive impairment, with greater affection in executive functions and an apparent preservation of episodic memory. In spite of it, studies have shown the behavioral variant of FTLD can occur with significant impairment of episodic memory, in a similar way to those experienced in Alzheimer's Type of Dementia, differing frontotemporal dementia with or without amnesia.

Case report:

62-year-old woman, consults with her daughter due to memory difficulties of insidious onset and progressive course during approximately two years, which led to conclusions of a possible case of Alzheimer's Disease (AD). Nevertheless, the findings of the neuropsychological assessment confirm disturbances at the executive level with preservation of episodic memory, and imaging study show frontotemporal cortical atrophy of frontal predominance; results that suggest a probable behavioral variant of Frontotemporal Dementia (FTD).


Include a review of the case and the information avaliable about possible mecanism that explain memory complaints in this population, also a description of “amnesic” subtypes of FTD. Importance of considering a possible compromise in episodic memory and a complete evaluation that includes neuropsychological tests and imaging studies is emphasized.

Palabras clave : Frontotemporal Dementia; Alzheimer's Disease; Neuropsychological Assessment; Executive Functions; Memory.

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