Mitochondrial encephalomyopathies and related syndromes: brief review.

A brief and comprehensive review on mitochondrial cytopathies is reported showing the extreme clinical and genetic heterogeneity of these disorders. Syndromes of mitochondrial cytopathiesencompass most of the medical specialties and diagnosis of mitochondrial cytopathies is complicated,needing the combination of multiple expertise: muscle morphology, neuroradiology, biochemistry(enzymology, chemical analysis), and genetics.