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Definition

An autosomal recessive, mitochondrial disorder with a broad phenotypic spectrum ranging from severe neonatal lactic acidosis, encephalomyopathy and early death to an attenuated course with milder manifestations. Clinical features include delayed psychomotor development, intellectual disability, hypotonia, dystonia, ataxia, and spasticity. Severe combined respiratory chain deficiency may be found in severely affected individuals.

Acronym

NEMMLAS

Keywords

Primary mitochondrial disease