Ballooned neurones in the limbic lobe are associated with Alzheimer type pathology and lack diagnostic specificity

Y. Fujino, M. W. DeLucia, P. Davies, Dennis W. Dickson

Research output: Contribution to journalArticlepeer-review

25 Scopus citations


Ballooned neurones (BNs) are one of the pathological hallmarks of several neurodegenerative diseases, including Pick's disease, corticobasal degeneration and argyrophilic grain disease (AGD). They have also been described in Alzheimer disease (AD), but the frequency of BNs in AD has not been systematically addressed. In the present study, immunohistochemistry for αB-crystallin was used as a sensitive method to detect BNs to determine the frequency of BNs in the limbic lobe in AD. At least a few BNs were detected in the limbic lobe of virtually all AD cases, and their density correlated with Braak stage, as well as the density of neurofibrillary tangles and senile plaques in the limbic lobe. The density of BN tended to be greater in AD cases with concurrent AGD than in pure AD. Given the high prevalence of AD in brain banks for neurodegenerative disease and the frequent presence of BNs in these areas with αB-crystallin immunohistochemistry, the present findings further indicate that BNs confined to the limbic lobe lack specificity in diagnostic neuropathology.

Original languageEnglish (US)
Pages (from-to)676-682
Number of pages7
JournalNeuropathology and Applied Neurobiology
Issue number6
StatePublished - Dec 2004


  • Alzheimer disease
  • Argyrophilic grain disease
  • Ballooned neurones
  • Limbic lobe

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Histology
  • Neurology
  • Clinical Neurology
  • Physiology (medical)


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