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Frontotemporal dementia

Última revisión: 18 Jan 2026
Última actualización: 19 Sep 2025

Resumen

Definición

Anamnesis y examen

Principales factores de diagnóstico

  • coarsening of personality, social behavior, and habits
  • progressive loss of language fluency or comprehension
  • development of memory impairment, disorientation, or apraxias
  • progressive self-neglect and abandonment of work, activities, and social contacts
Todos los datos

Otros factores de diagnóstico

  • early age at onset
  • family history of frontotemporal dementia (FTD)
  • altered eating habits
  • inattentiveness, puerile preoccupations, economy of effort, impulsive responding, and compulsive behaviors
  • signs of amyotrophic lateral sclerosis (ALS)
  • parkinsonian symptoms
  • fasciculations, atrophy, hyperreflexia, and other signs of motor neuron disease
  • glabellar, snout, sucking, rooting, or grasp reflex
  • loss of bladder and bowel control
Todos los datos

Factores de riesgo

  • mutations in MAPT gene
  • mutations in GRN gene
  • mutations in C9orf72 gene
  • other mutations
  • traumatic brain injury
  • post-traumatic stress disorder (PTSD)
Todos los datos

Pruebas diagnósticas

Primeras pruebas diagnósticas para solicitar

  • cognitive testing
  • brain MRI
  • brain CT
  • CBC
  • serum CRP
  • serum thyroid-stimulating hormone (TSH)
  • free thyroxine (T4)
  • metabolic panel
  • serum BUN
  • serum creatinine
  • LFTs
  • serum vitamin B12 levels
  • serum folate levels
  • syphilis serology
  • HIV testing
  • serum enzyme-linked immunosorbent assay
Todos los datos

Pruebas diagnósticas que deben considerarse

  • brain fluorodeoxyglucose (FDG)-PET/CT
  • brain perfusion single-photon emission computed tomography (SPECT)
  • brain amyloid PET/CT
  • brain biopsy
  • genetic testing
  • connective tissue panel
  • serum erythrocyte sedimentation rate
  • electroencephalogram (EEG)
  • electromyogram (EMG)
Todos los datos

Pruebas emergentes

  • fluid biomarkers

Algoritmo de tratamiento

En curso

all patients

Colaboradores

Autores

Raghava Kurup Radhakrishnan, DPM(NIMHANS), DNB(Psych), FRCPsych

Consultant Psycho-geriatrician

Waitemata District Health Board

Auckland

New Zealand

Divulgaciones

RKR serves as an advisory board member for the Australian and New Zealand Journal of Psychiatry.

Rommel Dawith, MBChB, FRANZCP, FFPOA

Psychiatrist of Old Age

Waitemata District Health Board

Auckland

New Zealand

Divulgaciones

RD declares that he has no competing interests.

Agradecimientos

Dr Raghava Kurup Radhakrishnan and Dr Rommel Dawith would like to gratefully acknowledge Dr Sachin Jauhari, Dr Lawrence Whalley, and Dr Chiadi Onyike, the previous contributors to this topic, and colleagues Dr Ann Boston (clinical psychologist), Dr Zara Godinovich (clinical psychologist), and Diane Ellis (clinical nurse specialist) for their suggestions.

Divulgaciones

SJ, LW, CO, AB, ZG, and DE declare that they have no competing interests.

Revisores por pares

Daniel Kaufer, MD

Director

Memory Disorders Program

Department of Neurology

University of North Carolina at Chapel Hill

NC

Divulgaciones

DK has received research support, speaking honoraria, and consulting fees from Eisai, Forest Laboratories, Johnson & Johnson, Medivation, Novartis, Ortho-McNeil, and Pfizer.

Bruce L. Miller, MD

Professor of Neurology

University of California

San Francisco

CA

Divulgaciones

BLM declares that he has no competing interests.

Philip Scheltens, MD, PhD

Professor of Neurology

Department of Neurology/Alzheimer Center

VU University Medical Center

Amsterdam

The Netherlands

Divulgaciones

PS declares that he has no competing interests.

Agradecimiento de los revisores por pares

Los temas de BMJ Best Practice se actualizan de forma continua de acuerdo con los desarrollos en la evidencia y en las guías. Los revisores por pares listados aquí han revisado el contenido al menos una vez durante la historia del tema.

Divulgaciones

Las afiliaciones y divulgaciones de los revisores por pares se refieren al momento de la revisión.

Referencias

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Artículos principales

Rascovsky K, Hodges JR, Knopman D, et al. Sensitivity of revised diagnostic criteria for the behavioural variant of frontotemporal dementia. Brain. 2011 Sep;134(Pt 9):2456-77.Texto completo  Resumen

American College of Radiology. ACR appropriateness criteria: dementia. 2024 [internet publication].Texto completo

Buoli M, Serati M, Caldiroli A, et al. Pharmacological management of psychiatric symptoms in frontotemporal dementia: a systematic review. J Geriatr Psychiatry Neurol. 2017 May;30(3):162-9. Resumen

Reus VI, Fochtmann LJ, Eyler AE, et al. The American Psychiatric Association practice guideline on the use of antipsychotics to treat agitation or psychosis in patients with dementia. Am J Psychiatry. 2016 May 1;173(5):543-6.Texto completo  Resumen

Artículos de referencia

Una lista completa de las fuentes a las que se hace referencia en este tema está disponible para los usuarios con acceso a todo BMJ Best Practice.
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