Evoked Potentials In Visual Seizures-Even Today Still The Key To The Diagnosis

We present the case of a young male patient who suffered from a rare type of progressive myoclonic epilepsy. The long diagnostic pathway including the results of somatosensory evoked potentials (SEP), which finally enabled the precise diagnosis to be found and the individual course of treatment are described. We briefly review the underlying Lafora disease and discuss the term giant SEPs and its importance in the context of this disease.