Ballooned neurons in progressive supranuclear palsy are usually due to concurrent argyrophilic grain disease

Takashi Togo, Dennis W Dickson

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

Progressive supranuclear palsy (PSP) is a sporadic multisystem neurodegenerative disorder that is one of the major causes of parkinsonism, which shares common biochemical and genetic features with corticobasal degeneration (CBD). Ballooned neurons (BN) are one of the histopathologic hallmarks of CBD and their presence is a neuropathologic feature that helps differentiate PSP from CBD, since BN are uncommon in PSP. There are, however, several reports in the literature of BN in PSP. BN are also a consistent finding in argyrophilic grain disease (AGD), where they are relatively confined to limbic structures, in particular the amygdala. Since AGD has been found with increased frequency in PSP, it is possible that cases of PSP with BN may represent co-existing AGD. In the present study, we investigated this possibility by studying the distribution and the density of BN with αB-crystallin immunostaining in 20 cases of PSP, including equal numbers of cases with and without co-existing AGD. In PSP cases with concurrent AGD, BN were consistently found in limbic areas, but in pure PSP cases, BN were rare, supporting the hypothesis that concurrent AGD may account for most cases of PSP with BN.

Original languageEnglish (US)
Pages (from-to)53-56
Number of pages4
JournalActa Neuropathologica
Volume104
Issue number1
DOIs
StatePublished - 2002

Fingerprint

Progressive Supranuclear Palsy
Neurons
Crystallins
Parkinsonian Disorders
Amygdala
Neurodegenerative Diseases
Molecular Biology

Keywords

  • βB-crystallin
  • Argyrophilic grain disease
  • Ballooned neurons
  • Corticobasal degeneration
  • Progressive supranuclear palsy

ASJC Scopus subject areas

  • Clinical Neurology
  • Pathology and Forensic Medicine
  • Neuroscience(all)

Cite this

Ballooned neurons in progressive supranuclear palsy are usually due to concurrent argyrophilic grain disease. / Togo, Takashi; Dickson, Dennis W.

In: Acta Neuropathologica, Vol. 104, No. 1, 2002, p. 53-56.

Research output: Contribution to journalArticle

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