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We report a patient with multiple sclerosis(MS)who developed an oligodendroglioma 8 years after the initial diagnosis of MS.This is the first description of a neoplasm,suspected initially on brain MRI and subsequently confirmed by brain biopsy,in an MS patient.Our case emphasizes the need to evaluate atypical brain MRI lesions carefully,even in well-established MS patients,as well as to obtain a tissue diagnosis of such lesions whenever possible in order to determine their precise etiology. |
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