Gerstman-Straussler-Scheinker syndrome is an extremely rare, usually familial inherited fatal neurodegenerative disease.  What is the Pathology of Gerstman-Straussler-Scheinker Syndrome? Etiology: The cause of Gerstman-Straussler-Scheinker Syndrome are the prions, which are a class of pathogenic proteins that are resistant to proteases.…