Paraneoplastic neurologic complications from gynecologic tumors are rare, but can be a major cause of morbidity and mortality. In most cases, the neurologic symptoms precede the diagnosis of malignancy, prompting an evaluation that identifies the tumor. Paraneoplastic opsoclonus-myoclonus syndrome, characterized by saccadic eye movements caused by lesions in the brain stem, has in particular been linked to ovarian teratomas.
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