| diagnostic strategy used to establish etiologies of encephalitis in a prospective cohort of patients in england. | the laboratory diagnostic strategy used to determine the etiology of encephalitis in 203 patients is reported. an etiological diagnosis was made by first-line laboratory testing for 111 (55%) patients. subsequent testing, based on individual case reviews, resulted in 17 (8%) further diagnoses, of which 12 (71%) were immune-mediated and 5 (29%) were due to infection. seventy-five cases were of unknown etiology. sixteen (8%) of 203 samples were found to be associated with either n-methyl-d-asparta ... | 2011 | 21865429 |