acute disseminated encephalomyelitis

acute disseminated encephalomyelitis
acute disseminated encephalomyelitis n an acute disease of the brain and spinal cord with variable symptoms that is thought to be an allergic or immune response following infectious disease or vaccination

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an acute or subacute encephalomyelitis or myelitis characterized by perivascular lymphocyte and mononuclear cell infiltration and demyelination; it occurs most often after an acute viral infection, especially measles, but may occur without a recognizable antecedent. It is believed to be a manifestation of an autoimmune attack on the myelin of the central nervous system. Symptoms include fever, headache, and vomiting; sometimes tremor, seizures, and paralysis; and lethargy progressing to coma that can be fatal. Many survivors have residual neurologic deficits. Called also acute perivascular myelinoclasis, postinfectious m., postvaccinal e., and acute disseminated, postinfectious, or postvaccinal encephalitis.

Medical dictionary. 2011.

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Look at other dictionaries:

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