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MERRF SyndromeLegal notice  


Other terms
MERRF Syndromes,Syndrome, MERRF,Fukuhara Syndrome,Syndrome, Fukuhara,Myoencephalopathy Ragged-Red Fiber Disease,Myoencephalopathy Ragged Red Fiber Disease,Myoclonic Epilepsy with Ragged Red Fibers,Myoclonus with Epilepsy with Ragged Red Fibers,Fukuhara Disease,Myoclonic Epilepsy and Ragged Red Fibers

Description
MERRF Syndrome: A mitochondrial encephalomyopathy characterized clinically by a mixed seizure disorder, myoclonus, progressive ataxia, spasticity, and a mild myopathy. Dysarthria, optic atrophy, growth retardation, deafness, and dementia may also occur. This condition tends to present in childhood and to be transmitted via maternal lineage. Muscle biopsies reveal ragged-red fibers and respiratory chain enzymatic defects. (From Adams et al., Principles of Neurology, 6th ed, p986)



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Legal notice
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