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MELAS syndrome (medical condition): A mitochondrial disorder characterized by stroke-like...more »
MELAS syndrome: A mitochondrial disorder characterized by focal or generalized seizures, episodes of transient or persistent neurologic dysfunction resembling strokes, and ragged-red fibers on muscle biopsy. Affected individuals tend to be normal at birth through early childhood, then experience growth failure, episodic vomiting, and recurrent cerebral insults resulting in visual loss and hemiparesis. The cortical lesions tend to occur in the parietal and occipital lobes and are not associated with vascular occlusion. VASCULAR HEADACHE is frequently associated and the disorder tends to be familial. (From Joynt, Clinical Neurology, 1992, Ch56, p117).
Source: MeSH 2007
These medical condition or symptom topics may be relevant to medical information for MELAS syndrome:
MELAS syndrome is listed as a "rare disease" by the Office of
Rare Diseases (ORD) of the National Institutes of Health
(NIH). This means that MELAS syndrome, or a subtype of MELAS syndrome,
affects less than 200,000 people in the US population.
Source - National Institutes of Health (NIH)
Ophanet, a consortium of European partners,
currently defines a condition rare when if affects 1 person per 2,000.
They list MELAS syndrome as a "rare disease".
Source - Orphanet
MELAS syndrome: MELAS syndrome is listed as a type of (or associated with) the following medical conditions in our database:
Some of the symptoms of MELAS syndrome incude:
These medical disease topics may be related to MELAS syndrome:
Source - NIH
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