Late onset recessive ataxia with Friedreich's disease phenotype

G. De Michele, A. Filla, F. Barbieri, A. Perretti, L. Santoro, L. Trombetta, F. Santorelli, G. Campanella

Research output: Contribution to journalArticlepeer-review


The Quebec Cooperative Study on Friedreich's ataxia required an onset before age 20 as an obligatory criterion of Friedreich's disease (FD). Harding included patients with onset before 25 years. We studied nine patients with FD phenotype but with onset ranging from 21 to 29 years (mean 24.4). Statistical analysis of the distribution and intrafamilial variation of onset age suggests that late onset Friedreich's disease (LOFD) is a distinct genetic entity or results from modifying genes in some families. Scoliosis was less common in LOFD than FD patients but otherwise the clinical picture was similar.

Original languageEnglish
Pages (from-to)1398-1401
Number of pages4
JournalJournal of Neurology, Neurosurgery and Psychiatry
Issue number12
Publication statusPublished - 1989

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Neuroscience(all)
  • Neuropsychology and Physiological Psychology


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