Complex sentence: May-White syndrome is a rare familial progressive myoclonus epilepsy with lipomas, deafness, and ataxia, probably a familial form of mitochondrial encephalomyopathy.
Split into simpler sentences: May-White syndrome is a rare familial progressive myoclonus epilepsy with lipomas, deafness, and ataxia. This syndrome is probably a familial form of mitochondrial encephalomyopathy.