title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 20-1995. A 66-year-old man with a history of rheumatoid arthritis treated with adrenocorticosteroids, with the development of aphasia and right-sided weakness.
mesh_terms: D000368:Aged; D001037:Aphasia / Q000209:etiology; D001172:Arthritis, Rheumatoid / Q000188:drug therapy; D003937:Diagnosis, Differential; D017809:Fatal Outcome; D006429:Hemiplegia / Q000209:etiology; D006801:Humans; D006886:Hydroxychloroquine / Q000627:therapeutic use; D007968:Leukoencephalopathy, Progressive Multifocal / Q000209:etiology / Q000473:pathology*; D008180:Lupus Erythematosus, Systemic / Q000150:complications / Q000188:drug therapy; D008297:Male; D011241:Prednisone / Q000009:adverse effects*
chemical_list: D006886:Hydroxychloroquine; D011241:Prednisone