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Pearson’s syndrome without marrow involvement
  1. A A M Morrisa,
  2. P J Lamontb,
  3. P T Claytona
  1. aInstitute of Child Health, London, bInstitute of Neurology, London
  1. Dr A A M Morris, Department of Child Health, Royal Victoria Infirmary, QueenVictoria Road, Newcastle upon Tyne NE1 4LP.

Abstract

A child with a mitochondrial DNA deletion who presented with pancreatic exocrine insufficiency is reported. Though she developed many other features of Pearson’s syndrome, there was no bone marrow involvement. Syndromes associated with mitochondrial DNA defects are highly variable and absence of one feature should not inhibit investigation.

  • Pearson’s syndrome
  • mtDNA deletion
  • pancreatic exocrine insufficiency

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