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Article

Late-onset mitochondrial disorder with electromyographic evidence of myotonia.

Muscle & nerve - 1 Dec 2003

Howse Mathew L P, Wardell Theresa M, Fisher Christopher J, Tilley Peter J B, Chinnery Patrick F, Bindoff Laurence

Abstract excerpt

We describe a patient with chronic progressive external ophthalmoplegia (CPEO) due to a deletion of mitochondrial DNA (mtDNA) who had electromyographic evidence of myotonic discharges. Myotonia has not previously been described in association with mitochondrial disease and this report extends the known phenotypic expression of these disorders.

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Source

Identifiers

PMID: 14639592
DOI: 10.1002/mus.10492

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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