Journal
INTERNAL MEDICINE JOURNAL
Volume 41, Issue 2, Pages 200-202Publisher
WILEY-BLACKWELL
DOI: 10.1111/j.1445-5994.2010.02379.x
Keywords
MELAS syndrome; mitochondrial diseases; mitochondrial DNA; rhabdomyolysis; retinitis pigmentosa
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Funding
- RBWH
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Mitochondrial myopathy, encephalopathy, lactic acidosis and stroke-like episodes (MELAS) is a clinical syndrome associated with mitochondrial abnormalities. In approximately 80% of patients, the syndrome is associated with the A3243G mutation. However, it has been realized that the A3243G mutation is not uncommon in the general population and is found in many patients with clinical presentations other than MELAS. We present four patients who presented with rhabdomyolysis, muscle fatigue, external ophthalmoplegia and myoclonic jerks respectively. These patients were all found to have the A3243G mutation on muscle biopsy. These patients illustrate the variety of presentations associated with A3243G mutation.
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