Accuracy of clinical diagnosis of Alzheimer disease and clinical features of patients with non-Alzheimer disease neuropathology

D. X. Rasmusson, Jason Brandt, C. Steele, J. C. Hedreen, Juan C Troncoso, Marshal F. Folstein

Research output: Contribution to journalArticle

Abstract

Neuropathological examination confirmed the clinical diagnosis of possible or probable Alzheimer disease (AD) in 90 of the first 100 patients who came to autopsy at the Johns Hopkins Alzheimer's Disease Research Center. In 10 cases, postmortem brain examination did not confirm AD but revealed variable patterns of neuronal loss in neocortex and limbic structures without amyloid deposits. The most common pattern of degeneration was relatively isolated hippocampal sclerosis (HS). Despite the finding that the 10 patients with non-AD neuropathology were ill for less time and were less cognitively impaired at study entry than those patients with definite AD, they had shorter survival times and showed equal behavioral disturbance at study entry (on a standardized measure). The clinical case reports included here suggest early and progressive prominent behavioral disturbance and other indexes of rapid illness progression in three of the four HS patients and two other non-AD patients. We conclude that the criteria of the National Institute of Neurological Disorders and Stroke/Alzheimer Disease and Related Disorders Association for possible or probable AD are highly accurate and that misdiagnosis is most likely to occur early in the course of illness and in patients with prominent behavioral disturbance or other atypical features.

Original languageEnglish (US)
Pages (from-to)180-188
Number of pages9
JournalAlzheimer Disease and Associated Disorders
Volume10
Issue number4
StatePublished - 1996

Fingerprint

Alzheimer Disease
Sclerosis
Autopsy
National Institute of Neurological Disorders and Stroke
Neocortex
Amyloid Plaques
Diagnostic Errors
Neuropathology
Survival
Brain
Research

Keywords

  • Alzheimer disease
  • Dementia
  • Diagnosis
  • Hippocampal sclerosis
  • Neuropathology

ASJC Scopus subject areas

  • Geriatrics and Gerontology
  • Psychiatry and Mental health
  • Neuroscience(all)

Cite this

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abstract = "Neuropathological examination confirmed the clinical diagnosis of possible or probable Alzheimer disease (AD) in 90 of the first 100 patients who came to autopsy at the Johns Hopkins Alzheimer's Disease Research Center. In 10 cases, postmortem brain examination did not confirm AD but revealed variable patterns of neuronal loss in neocortex and limbic structures without amyloid deposits. The most common pattern of degeneration was relatively isolated hippocampal sclerosis (HS). Despite the finding that the 10 patients with non-AD neuropathology were ill for less time and were less cognitively impaired at study entry than those patients with definite AD, they had shorter survival times and showed equal behavioral disturbance at study entry (on a standardized measure). The clinical case reports included here suggest early and progressive prominent behavioral disturbance and other indexes of rapid illness progression in three of the four HS patients and two other non-AD patients. We conclude that the criteria of the National Institute of Neurological Disorders and Stroke/Alzheimer Disease and Related Disorders Association for possible or probable AD are highly accurate and that misdiagnosis is most likely to occur early in the course of illness and in patients with prominent behavioral disturbance or other atypical features.",
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author = "Rasmusson, {D. X.} and Jason Brandt and C. Steele and Hedreen, {J. C.} and Troncoso, {Juan C} and Folstein, {Marshal F.}",
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AU - Rasmusson, D. X.

AU - Brandt, Jason

AU - Steele, C.

AU - Hedreen, J. C.

AU - Troncoso, Juan C

AU - Folstein, Marshal F.

PY - 1996

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N2 - Neuropathological examination confirmed the clinical diagnosis of possible or probable Alzheimer disease (AD) in 90 of the first 100 patients who came to autopsy at the Johns Hopkins Alzheimer's Disease Research Center. In 10 cases, postmortem brain examination did not confirm AD but revealed variable patterns of neuronal loss in neocortex and limbic structures without amyloid deposits. The most common pattern of degeneration was relatively isolated hippocampal sclerosis (HS). Despite the finding that the 10 patients with non-AD neuropathology were ill for less time and were less cognitively impaired at study entry than those patients with definite AD, they had shorter survival times and showed equal behavioral disturbance at study entry (on a standardized measure). The clinical case reports included here suggest early and progressive prominent behavioral disturbance and other indexes of rapid illness progression in three of the four HS patients and two other non-AD patients. We conclude that the criteria of the National Institute of Neurological Disorders and Stroke/Alzheimer Disease and Related Disorders Association for possible or probable AD are highly accurate and that misdiagnosis is most likely to occur early in the course of illness and in patients with prominent behavioral disturbance or other atypical features.

AB - Neuropathological examination confirmed the clinical diagnosis of possible or probable Alzheimer disease (AD) in 90 of the first 100 patients who came to autopsy at the Johns Hopkins Alzheimer's Disease Research Center. In 10 cases, postmortem brain examination did not confirm AD but revealed variable patterns of neuronal loss in neocortex and limbic structures without amyloid deposits. The most common pattern of degeneration was relatively isolated hippocampal sclerosis (HS). Despite the finding that the 10 patients with non-AD neuropathology were ill for less time and were less cognitively impaired at study entry than those patients with definite AD, they had shorter survival times and showed equal behavioral disturbance at study entry (on a standardized measure). The clinical case reports included here suggest early and progressive prominent behavioral disturbance and other indexes of rapid illness progression in three of the four HS patients and two other non-AD patients. We conclude that the criteria of the National Institute of Neurological Disorders and Stroke/Alzheimer Disease and Related Disorders Association for possible or probable AD are highly accurate and that misdiagnosis is most likely to occur early in the course of illness and in patients with prominent behavioral disturbance or other atypical features.

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KW - Dementia

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