Cerebral sparganosis: the wandering lesion

A 38-year-old Japanese man presented with a 2-year history of cerebellar ataxia, fever, and headaches. MRI revealed migration of the lesion (figure, A–C). CSF cytology showed eosinophilic meningitis (figure, D); serum and CSF ELISA were positive for Spirometra erinaceieuropaei . Human sparganosis is a rare parasitic …