subacute necrotizing encephalomyelopathy

Leigh dis·ease

(), [MIM*256000]
a rare fatal mitochondrial disorder affecting principally infants and young children, manifested as seizures, psychomotor retardation, spasticity, myoclonus, optic atrophy, cranial nerve palsies, and ataxia; due to deficiencies of cytochrome c oxidase or NADH-ubiquinone oxidoreductase or other enzymes involved in energy metabolism; pathologically, there is widespread symmetric necrosis; most often autosomal recessive transmisstion, but X-link recessive and mitochondrial inheritances have been described.
Farlex Partner Medical Dictionary © Farlex 2012

subacute necrotizing encephalomyelopathy

Leigh's disease An AR condition of neonatal onset Clinical Swallowing and feeding difficulties, hypotonia, hyporeflexia, weakness, ataxia, peripheral neuropathy, external ophthalmoplegia, impaired hearing and vision, seizures, convulsions. See Wernicke's encephalopathy.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.


Denis, English psychiatrist, 1915–.
Leigh disease - subacute encephalomyelopathy affecting infants. Synonym(s): subacute necrotizing encephalomyelopathy; necrotizing encephalomyelopathy
Leigh syndrome
Medical Eponyms © Farlex 2012
References in periodicals archive ?
It is characterized by a progressive neurodegenerative course with subacute necrotizing encephalomyelopathy, and it presents with developmental delay, seizures, dysarthria, ataxia, and myopathy.
LEIGH'S disease, a form of Leigh syndrome, also known as Subacute Necrotizing Encephalomyelopathy (SNEM), is a rare disorder that affects the central nervous system.

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