Source:http://linkedlifedata.com/resource/umls/id/C0282512
MSH: A syndrome characterized by the onset of isolated language dysfunction in otherwise normal children (age of onset 4-7 years) and epileptiform discharges on ELECTROENCEPHALOGRAPHY. Seizures, including atypical absence (EPILEPSY, ABSENCE), complex partial (EPILEPSY, COMPLEX PARTIAL), and other types may occur. The electroencephalographic abnormalities and seizures tend to resolve by puberty. The language disorder may also resolve although some individuals are left with severe language dysfunction, including APHASIA and auditory AGNOSIA. (From Menkes, Textbook of Child Neurology, 5th ed, pp749-50; J Child Neurol 1997 Nov;12(8):489-495),NCI: A rare childhood syndrome characterized by the progressive or sudden inability to understand and use spoken language (aphasia) and paroxysmal electrical brain waves. Patients develop epileptic seizures and behavioral changes.