NCIt definition : A rare, fatal autosomal recessive inherited disorder caused by mutations in the genes
EPM2A and EPM2b. It is characterized by the presence of cytoplasmic inclusion bodies
called Lafora bodies in many cells of the body including neurons, muscle cells, and
liver cells. The Lafora bodies contain mucopolysaccharides. Signs and symptoms include
seizures, myoclonus, ataxia, and dementia.;