メフロキン,ミルタザピン,リスペリドンにより長期的に良好な経過をとった宿主免疫応答の示唆される進行性多巣性白質脳症の2症例
2018
: Patient 1 was a 59-year-old woman receiving prednisolone for idiopathic hypereosinophilia. Brain MRI of patient 1 disclosed slight gadolinium enhancement at lesions, indicating inflammation. Patient 2 was a 32-year-old woman with systemic lupus erythematosus under immunosuppressive therapy. Brain biopsy of patient 2 showed balanced infiltration of CD8+ and CD4+ T lymphocytes at the sites of lesions. Both subjects were diagnosed as having progressive multifocal leukoencephalopathy (PML) shortly after the onset of neurological symptoms and were treated with a combination of mefloquine, mirtazapine, and risperidone. Both patients remain alive with improved neurological symptoms even after long-term follow-up (24 months in patient 1 and 45 months in patient 2). Although the prognosis of PML is very poor, our findings suggest that pharmacotherapy may be effective for patients with well-controlled immune reactions against the JC virus.
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