Clinical and neuropathologic features of progressive supranuclear palsy with severe pallido-nigro-luysial degeneration and axonal dystrophy

Zeshan Ahmed, Keith Anthony Josephs, John Gonzalez, Anthony DelleDonne, Dennis W Dickson

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

Pallido-nigro-luysial atrophy (PNLA) is a rare disorder that in many cases has histopathological features similar to progressive supranuclear palsy (PSP). In a pathological series of over 400 cases of PSP, eight cases were noted to have features similar to those described in PNLA, including severe atrophy and neuronal loss in the globus pallidus, substantia nigra and subthalamic nucleus, in addition to many axonal spheroids in the globus pallidus and substantia nigra. These eight cases of PSP-PNLA were compared to 11 typical PSP cases with quantitative neuropathologic indices and assessment of demographics, clinical features and the timing of clinical features. PSP-PNLA cases were younger, had longer disease duration and more often were not initially diagnosed with PSP; in the end, they did not differ from PSP with respect to any major clinical feature. The clinical course of PSP-PNLA, however, was different, with earlier gait abnormalities and difficulty with handwriting, but later falls, rigidity and dysphagia than PSP. Pathologically, the same types of lesions were detected in both PSP and PSP-PNLA, but there were differences in the distribution and density of tau-pathology, with less tau-pathology in motor cortex, striatum, pontine nuclei and cerebellum in PSP-PNLA. These clinical and pathological findings suggest that PSP-PNLA should be considered a variant of PSP.

Original languageEnglish (US)
Pages (from-to)460-472
Number of pages13
JournalBrain
Volume131
Issue number2
DOIs
StatePublished - Feb 2008

Fingerprint

Progressive Supranuclear Palsy
Atrophy
Globus Pallidus
Substantia Nigra
Pathology
Handwriting
Subthalamic Nucleus
Motor Cortex
Deglutition Disorders
Gait

Keywords

  • Natural history
  • Neuropathology
  • Pallido-nigro-luysial atrophy
  • Progressive supranuclear palsy
  • Pure akinesia
  • Tau

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Clinical and neuropathologic features of progressive supranuclear palsy with severe pallido-nigro-luysial degeneration and axonal dystrophy. / Ahmed, Zeshan; Josephs, Keith Anthony; Gonzalez, John; DelleDonne, Anthony; Dickson, Dennis W.

In: Brain, Vol. 131, No. 2, 02.2008, p. 460-472.

Research output: Contribution to journalArticle

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